guide tube

基本解釋

Rocker arm, Rocker arm shaft, Rocker assembly, Valve guide tube, Camshaft bearing Cap.
氣門(mén)搖臂，搖臂軸，搖臂總成，氣門(mén)導(dǎo)管，凸輪軸蓋。
The center hole will house the center guide tube that you can also see in the background.
中心孔會(huì)內(nèi)務(wù)中心指導(dǎo)管，您也可以看到，在背景中。
When researchers want to examine the cells and their interactions at this site, they insert a tiny optical instrument called a microendoscope inside the glass guide tube.
當(dāng)研究者想要研究某個(gè)部位的細(xì)胞以及細(xì)胞之間的相互作用時(shí)，就可以將一個(gè)微小的光學(xué)儀器，即顯微內(nèi)鏡，插入到那個(gè)玻璃導(dǎo)管里。

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