单词	prewelding
释义	prewelding 预焊
随便看	double-track bridge double track bridge double-track cam double track cam double track directors system double-tracked doubletracked double-tracker doubletracking double track interpolation double track line double-track line double track packing machine double-track portable switch double track race double track railway double track recorder doubletracks double-tracks double track skip hoist double-track sliding door double-track system double-track tape recorder double track territory double track tunnel 231252 23252 234 234121 234134 234134234 234234234 2342511*35 23425251 2343 核战争核扩散核批核按钮核收核数核明核果核查核桃