In reality, China's MBT is known for its excellent protection - even a three-stage projectile with a penetration depth of more than 800 mm in reality will not be able to penetrate the frontal armor of the ZTZ99A (including all frontal frontal bomb surfaces, i.e., the upper head armor and turret armor). But in WT, there was a huge problem with the turret armor of the ZTZ99A - the area of the gun shield was hollow! That's right, this means that the member group is directly exposed to the outside environment, as if they were riding in a convertible! This is extremely bizarre - if this is the case, then ZTZ99A will not have the ability to defend collectively three times, which obviously does not correspond to reality. In WT, the T-80 BVM, weighing only 46 tons, had almost the best defense, so much so that when it was hit by the DM53 in the area of the turret close to the root of the turret, there was a high probability that it would not be able to penetrate it. Of course, a large part of the credit goes to the "fossil" reactive armor, but its 150 mm to 330 mm thick gun shield is also indispensable. It is not difficult to see that this ring of artillery shield armor wraps the main gun of the T-80BVM very tightly, so that the shells cannot easily pass through the gap in the middle and kill the crew. However, the ZTZ99A, which is 9 tons heavier than the T-80BVM, has the problem that the gun shield is randomly penetrated by the APDS fired by the machine gun - this is also very contrary to common sense. It has to be admitted that the canvas of the ZTZ99A covering the root of the gun is very reminiscent of the canvas used by the French on the rocking turret. However, it is not difficult to see from the video of PLA training that the ZTZ99A lifting the barrel is a canvas with obvious square regular deformation, and it is not difficult to see that behind this very confusing canvas is a part of the gun shield of ZTZ99A and follows the barrel. According to the leaks, the ZTZ99A's entire gun shield armor is extremely thick - an equivalent homogeneous steel armor with an average thickness of 550 mm (in fact, it uses a higher hardness armor), and it does not lose the protection of this area due to the reservation of the machine gun muzzle (very similar to the T-80BVM). Such a heavy artillery shield, together with additional air conditioning equipment, electronics and, most importantly, the "laser suppression system", which was not restored in the WT, could constitute the fact that the ZTZ99A is 9 tons heavier than the T-80BVM. It is worth mentioning that the sides of the 99A are not equipped with 80 mm of steel armor and layers of ERA like the T-80BVM, but only 60 mm of armor (at least in the game). The loss of this part of the weight also constitutes the thickness and weight of the ZTZ99A gun shield that should be strengthened. Some people may question: the ZTZ99A obviously looks larger than the T-80BVM, isn't it normal to increase in weight? In fact, Chinese tanks have inherited the consistent advantages of Russian tanks - not wasting tonnage. In WT, the modeling of the ZTZ99A was problematic - the vertical height of the lower armor was too large, which led to the entire chassis being raised. This makes the ZTZ99A look taller than many Western tanks, and the weak zone of the lower armor is inadvertently enlarged.Wish Gaijin will be aware of this problem as soon as possible and fix it.
Of course, when it comes to weight, many Western tanks in the game also suffer from this: the Challenger 2, M1A2 (TUSK), Leclerc AZUR, Leopard 2PSO side composite armor or ERA all have better resistance to armor-piercing shells in reality than in the game (which makes them immune to many medium-caliber APDS, such as 40mm or 57mm rapid-fire guns). In addition, although the game exaggerates the weak defensive area of the ZTZ99A's first armor, it is undeniable that this weak area is also real in reality. PLA is naturally aware of this, so it installed FY-5 ERA as an armor reinforcement on the first and lower armor parts of some ZTZ99A, and the coverage area is very large, almost the entire first weak area. Although the suspension of the ZTZ99A does not support the use of ERA on the sides, the ERA of the lower armor adds little weight to it. It is hoped that Gaijin will be able to add the "First Armor Protection Boost" to the game as a new modification of the ZTZ99A, so that the performance of the ZTZ99A in the game can keep up with the large forces of Tier VIII Marine Warfare. In this way, the ZTZ99A can enjoy a "one-time amulet" when facing enemy tank fire directly under the armor.
If you master both Chinese and English,you can translate the original for me.
Here it is: 从重量的角度讨论中国现代MBT防护（以及其他国家坦克）与现实不符的问题