Expanding circulating oil cavity on hydrogen side can make circulation free.
扩大氢侧回油腔的容积改进了国产机回油不畅的问题。
Involute profile of internal gear, in the small gear and internal gear intermediate have a crescent shape of the diaphragm, the purpose is the oil absorption cavity and pressure oil cavity off.
渐开线齿形的内啮合齿轮，在小齿轮和内齿轮中间有一块月牙形状的隔板，目的是把吸油腔和压油腔隔开。
The petrol engine avoids the phenomenon of engine oil ejection, omits an original oil cavity baffle plate device, reduces a sealing gasket, and has simpler structure and more convenient installation.
本实用新型避免了喷机油的现象，并且取消了原有的油腔隔板装置，减少了一张密封垫，从而结构更加简单，安装更加方便。
If oil got into the production pipe from the bottom, then barriers that would have impeded its flow up the cavity around that pipe would have made little difference.
如果油流从油井底部进入到生产管线内，这个环绕在生产管线外部的阻隔体对阻止油流上升能起多大作用呢，两者的差异将会非常小。
The principle and method of testing oil body humidity are discussed, according to the changed trait in resonance frequency and quality factor of resonance cavity when microwave acting on oil body.
根据微波通过油体后，谐振腔的谐振频率和品质因数均会发生相应的变化的特点，探讨了测量油体湿度的原理及所采取的方法。
Due to the special structure of controlled direction well, it can lead to severe abrasion even jamming if not adopting any measure when using progressing cavity pump rod to pump oil.
由于定向井井身结构特殊，利用螺杆泵进行抽油时如不采取任何措施势必造成杆柱严重磨损甚至卡死。
The air play caused by air cavity sometimes blocks up flowing of liquid such as fuel oil in marine piping , and brings some unfavorable influence for works.
船舶管道在气囊作用下往往形成空气塞，阻碍燃油等液体的流通，对柴油机的正常工作带来不利影响。
It comprises the pressure boosting structure, oil entry, compression cavity and oil exhaust channel.
该泵包括增压机构，吸油油路，压缩腔，排油油路。
In the light of the key technique of the down-hole driven progressive cavity pump (PCP) for oil production, a power distributional planetary reducer is proposed.
针对井下驱动螺杆泵的关键技术问题，提出了用于井下直接驱动螺杆泵的功率分流式行星减速器。
A proper number of side pressing oil cylinders are arranged on a main slide block, and the upper cavity oil ports of the side pressing oil cylinders are connected in parallel.
在主滑块上，设置适当数量的压边油缸，将压边油缸的上腔油口并联。
A proper number of side pressing oil cylinders are arranged on a main slide block, and the upper cavity oil ports of the side pressing oil cylinders are connected in parallel.
在主滑块上，设置适当数量的压边油缸，将压边油缸的上腔油口并联。
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