单词	滴流孔
释义	滴流孔weeping hole
随便看	safety valve easing gear safety valve easing gear; safety valve lifting gear safety valve (hydraulic) safety valve(hydraulic) safety valve[hydraulic] safety valve lifting gear safety valve lifting gear--safety valve easing gear safety valve of deaerator safety valve operating test ； safety valve adjustment safety valve (pneumatic) safety valve(pneumatic) safety valve[pneumatic] safety valve,relief valve safety valve set pressure safety valve setting safety valve spring safety vent safety verification safety voltage safety wall safety water mark safety wedge safety wedge gear safety window safety--window