- 双语例句 更多例句
Takes upward thrust when opening hydrant valve and reduces operating torque.
操作消防栓时会产生向上的推力,此零件能有效减少操作扭矩.
网络文摘精选
Numerical simulation of resistance coefficient and experiment research of fire hydrant valve
船用消防阀流阻系数模拟测定方法的探讨
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