cess-pipe
... cesarotomy剖腹产术 cess-pipe下水管 cesspool污水坑,粪坑 ...
drain pipe
... 保温层insulation; insulator 下水管drain pipe; waste pipe 压力表pressure gauge ...
downcomer
... downcome 下降 downcomer 下水管 downcycle 下降性循环 ...
private underground pipe
HOSE RADIATOR lOWER
asphyxiator