Rocker arm, Rocker arm shaft, Rocker assembly, Valve guide tube, Camshaft bearing Cap.

气门摇臂，摇臂轴，摇臂总成，气门导管，凸轮轴盖。

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The center hole will house the center guide tube that you can also see in the background.

中心孔会内务中心指导管，您也可以看到，在背景中。

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Seedling guide tube is a key component of the seedling throwing transplantation to accomplish orderly throwing and transplanting.

导苗管是水稻抛秧机实现有序抛栽的一个关键部件。

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Unfortunately, that still provides no clear guide to how a clash between central government and the mayor over the future of the tube would be resolved.

ECONOMIST: The Greater London Authority

They ended up producing a flexible catheter tube that goes a bit of the way up the nostrils, then a guide wire is inserted into the targeted sinus. (In live patients this is done via an endoscope and fluoroscope.) A balloon catheter is advanced over the guide wire and positioned against the blocked ostium.

FORBES: Balloon Therapy