1、在要求的力矩范围内扔存在漏气现象。2、超力矩上限会造成密封圈变形，

1. Throwing air leakage within the required torque range. <br>2. The upper limit of the over-torque will cause deformation of the seal ring and air leakage. <br>3. There will be primer and slag on the thread when spraying the black gas cylinder, (the spraying process of the gas cylinder cannot be avoided)

1, in the required torque range to throw the phenomenon of air leakage.<br>2, the upper limit of the moment will cause the seal ring deformation, resulting in leakage.<br>3, black air reservoir paint will be in the thread at the presence of primer and paint slag phenomenon, (gas cylinder painting process can not be avoided)

1. There is air leakage in the required torque range.<br>2. If the upper limit of torque is exceeded, the sealing ring will deform and leak.<br>3. When painting black air reservoir, there will be primer and paint residue on the thread (the painting process of air reservoir cannot be avoided)<br>