extension tube

常见例句

双语例句

• The bulk container can fix the extension tube well while not affecting the normal work of the liquid tapping valve.
  本发明既能良好的固定延伸管，同时也不妨碍放液阀的正常工作。
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• Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
  除去延长管缩短 间隔让任何的用两眼的观众到达没有一个巴罗镜的焦点。
• The Extension consists of a length of steel tube with a coupling on one end to attach to the valve, and a coupling on the other end to attach to a handwheel or some other type of operating device.
  阀杆加长件由带连接在阀门上的联轴节的钢管长度，连接在手轮上的联轴节，或其它类型的操作机构组成。

权威例句

• Instrument makers of the time also invented a trumpet with a sliding, telescoping tube extension.
  NPR: Young Tuba Player Gets Nod from Phila. Orchestra
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