n.伸缩管

extension tubes───n.伸缩管

extension cable───伸长电缆；延伸缆线

extension cables───伸长电缆；延伸缆线

extension bolt───门插销；附加门栓

extension cord───延长线；分机线绳

extension lead───伸长引线

extension ring───伸长环；近摄接圈

extension courses───推广科目；进修课程

extension ladder───n.伸缩梯；拉梯

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。

balance extension tube functions to retain balanced pressure in front and at the back of the cleaner prior to the opening of the valve to prevent it from impacting the valve core.───发球筒平衡接管的作用是在通球初始时，出球接口端的阀门未开启前使清管器在发球筒中处于前后压力平衡，不能撞向阀芯。

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。

Full rotation when nozzle is attached to blast hose, extension tube, or nozzle.───喷嘴连接到喷射管、延长管或喷嘴后可全程旋转。

A flexible extension tube connects the catheter with a multiway valve for connecting venous pressure means and supply means to the patient.

A small bus with an extension tube like a stubby elephant trunk was now nuzzling affectionately up against the spacecraft.

The bulk container can fix the extension tube well while not affecting the normal work of the liquid tapping valve.