单词	oil drain
释义	oil drain 放油,放油口
随便看	sample function sample functions sample gas sample gasification sample gear sample generalized variance sample generator sample-grabber sample grabber Sample Grade sample grid reference sample grinder sample hand sample handling system sample hand reducing sampleharvester sample heater sample heat exchanger sample heterogeneity sample hold sample-hold sample hold circuit sample-hold circuit sample/hold circuits sample/holder 瘃瘅瘆瘈瘉瘊瘌瘎瘏瘐せいすい【静水】せいすうせいすうせいすう【整数】せいすう【正数】せいするせいするせいするせいする【制する】せいする【征する】