单词	pump plunger
释义	pump plunger 泵柱塞
随便看	element of vector element of volume element of vortex element of wave element of winding element of word composition elementoid element on duty element on-load factor elemento-organic chemistry elemento-organic compound elemento-organic compounds elementoorganic fiberforming polymer elementoorganic fiber forming polymer elementoorganic fibreforming polymer elementoorganic fibre forming polymer elemento organic polymer elemento-organic polymer Element opening and closing order element, optical element or element order element organic chemistry element organization elementos