词语伸缩管
解释drawtube
drawtube〔名词〕伸缩管详细»
drawtube抽筒[ 一种滑动管，用于调整显微镜机械筒长度使球差校正至最佳值。(IDB)]详细»
drawtube〔名词〕活镜筒,显微镜抽筒详细»
伸缩管helically grilled tube;telescopic pipe详细»
伸缩管helically grilled tube详细»
伸缩管draw tube详细»
伸缩管expansion pipe详细»
伸缩管drawtube;expansion pipe;helically grilled tube;telescopic duct;telescopic tube详细»
伸缩管draw tube;drawtube详细»
伸缩管telescopic pipe详细»