阀芯英文(阀芯英文翻译)

阀芯的英文： needle;valve disc;valve plug;valve spool needle是什么意思： n.针；指针；针状物；刺激 v.刺激，激怒；用针缝，刺；缝纫 The needle stuck in my finger. 针扎进我的手指了。 To look for a needle in a Bundle of hay 海底捞针 Searching for a needle in a haystack 大海捞针 valve是什么意思： n.阀门；瓣膜；真空管 v.装阀于；以活门调节 Valve Disadvantages:The valve is difficult t...