客人是什么意思呢? 机械术语
在加拿大 we tried tightening the valves at 50Nm instead of the normal 95Nm that the cylinder manufacture The valves do not screw quite as far into the cylinder as usual and the units leak CO2。 这是一个阀门和灭火器组装的问题。我们建...华人论坛
在加拿大 we tried tightening the valves at 50Nm instead of the normal 95Nm that the cylinder manufacture The valves do not screw quite as far into the cylinder as usual and the units leak CO2。 这是一个阀门和灭火器组装的问题。我们建...华人论坛