trencher and pipe layer的意思|示意
美 / /
英 / /
沟槽和管道层
trencher and pipe layer的网络常见释义
开沟铺管机 ... surface blow(-off)pipe(锅炉的)上吹洗管 Trencher and pipe layer开沟铺管机 He filled and lit his pipe他给烟斗装上烟,然后点着 ...