... cannula blower 套管吹干球 cannula clamp 套管夹 cannula for fiberscopes 纤维光束内窥镜插管 ...
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因为马尼拉文件夹只是一个套管，这时文件就会散得到处都是。
Since a Manila folder is nothing more than a sleeve, the files will spill out everywhere.
除了优异的抗研磨特性以外，如果石灰固化，A型夹管阀还能够通过驱动套管将固化石灰轻易清除。
Other than its excellent abrasion resistance, the Type A Valve can easily be cleaned if the lime solidifies, by actuating the sleeve.
这些部件是在压力下硫化并形成压力套管，这是夹管阀的心脏部分。
These parts are vulcanized under pressure to form a pressure-containing sleeve that is the heart of a Pinch Valve.
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