single-girder loader-unloader 单梁装卸桥

boxlike structure loader-unloader 箱形结构装卸桥

tubular structure loader-unloader 管结构装卸桥

latticed structure loader-unloader 桁架结构装卸桥

liquids loader-unloader 液体装载工卸料工

furniture loader-unloader 家具装载工

automatic loader and unloader [机] 自动装卸机

Tire loader-unloader 轮胎式装载机

coal loader-unloader 煤装卸工