短語(yǔ)詞組短語(yǔ)bottom horizontal tube 掃地桿bottom reinforcing tube 掃地桿taper bottom centrifuge tube 尖底離心管bottom guide tube 爐底導(dǎo)管round bottom centrifuge tube 圓底離心管bottom withdrawal tube 底漏管graduated round bottom centrifuge tube 圓底有刻度離心管Round -Bottom Tube 圓底試管bottom tube level switch 底部管液位開(kāi)關(guān);底部管水平開(kāi)關(guān);底管水平開(kāi)關(guān) 返回 bottom tube