基本解释n.瓣阀同根派生 clack-valve相关词英汉例句Precision Casting of Bridge of Air Inlet Clack Valve 进气门盖板的精铸Have you turned off the water valve? 你关掉水阀了吗?We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。ball clack valve 球瓣单向阀air inlet clack valve 进气瓣阀,进气活门clack-valve更多例句