短語詞組短語Bottom box liner 底盒裱紙bottom -liner 關(guān)心最后經(jīng)濟(jì)效果的企業(yè)管理人員smoke box bottom liner [鐵路]煙箱襯板elevator bottom liner 升降機(jī)襯墊bottom liner extension 襯套下緣延長部bottom liner plate 底部襯板bottom liner bore 套筒下孔cylinder liner bottom gasket 氣缸套底部密封墊 返回 bottom liner