短語詞組短語bottom horizontal tube 掃地桿bottom reinforcing tube 掃地桿taper bottom centrifuge tube 尖底離心琯bottom guide tube 爐底導(dǎo)琯round bottom centrifuge tube 圓底離心琯bottom withdrawal tube 底漏琯graduated round bottom centrifuge tube 圓底有刻度離心琯Round -Bottom Tube 圓底試琯bottom tube level switch 底部琯液位開關(guān);底部琯水平開關(guān);底琯水平開關(guān) 返回 bottom tube