副: assistant二: two管: pipe; tube二管轮: second asistant engineer; second assistant engineer; senior second engineer; third engineer officer二管轮；二车: third engineer二管轮室: nd engineer's room主任二管轮: senior second engineer二管: rd engineer 2nd engineer二管事: assistant chief; assistant steward光二管: light-emitting diode副二传手: second setter大管轮: second engineer officer; senior first engineer割管轮: pipe cutting wheel软管轮: hose reel三管轮: fourth engineer officer; senior third engineer; third assistant engineer; third engineer四管轮: fourth engineer第二管事: second purser二管排式: two pipe雪崩光二管: avalanche photodiode大管轮室: st engineer's room单管轮胎: single tube tyre副大管轮: junior first engineer副三管轮: junior third engineer晶体管轮廓: transistor outline软管轮胎: hose pipe tyre
