lead-alloy pipe铅合金管
lead-lined pipe衬铅管
lead-pipe colon结肠强直;翻译;结肠强直英语
lead-pipe rigdity翻译
lead-pipe cinch轻而易举的事
lead-pipe rigidity铅管样强直;縂
lead-pipe extrusion press铅管挤出机
lead-in pipe on water tank水箱进水管
lead pipe-shed support超前管棚支护