By the analysis of the mechanics conditions on the gears in Compound gear Motor, the formula of the instantaneous radial forces acting on all gears and seal block are obtained.
通过对复合齿轮马达中各齿轮力学特性的分析，推导了作用于各齿轮以及密封块上所受的瞬态径向力公式。
A variety of schemes to either block up or seal off the blowout preventer are in development.
多种封闭或密封防喷装置的方案也在构思之中。
For motor frame size 180 and above, the inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.
用于尺寸180以上的电机机架，内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。
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