词汇	heavy-duty crane
释义	heavy-duty crane 重型吊车
随便看	lowering girder lowering groundwater of foundation pit lowering in tractor lowering its wing with a drooping head lowering limb lowering limiter lowering line loweringly lowering main contactor lowering mast lowering means lowering mechanism lowering method lowering motion lowering of a mark lowering of amplitude lowering of blood lipid lowering of consciousness lowering of freezing point lowering of girder lowering of groundwater level lowering of ground water level lowering of groundwater table lowering of interest lowering of melting point