1.
In other words a trap is still a trap whether it is barren or oroductive.
换句话说，不管圈闭内是否含有油气，圈闭就是圈闭。
2.
A bushing used to secure a pipe joint.
套圈，箍用来缚紧管子接头的套圈
3.
deflecting focusing coil for camera tube
摄像管偏转聚焦线圈
4.
tin collars, for tubes or pipes
锡套圈,用于大小管
5.
collar, zinc, for tubes or pipes
锌套圈,用于大小管
6.
Open decay solenoid coil
打开衰减螺线管线圈
7.
elliptical iris waveguide
椭圆形光圈式波导管
8.
automatic extension tube
自动延长管，自动回校光圈的延长管
9.
collar clamping or tightening, of steel, used to clamp flexible tubing to rigid piping, taps etc
夹圈或紧固圈,钢制,用来将挠性管紧固在刚性管道、龙头等上
10.
tubular plastic hoop for swinging around the hips.
能够围绕臀部转动的管状塑料圈。
11.
Grey cast iron pipes with rubber ring of ladder-lip-shaped
GB/T8714-1988梯唇型橡胶圈接口铸铁管
12.
Flared type tube fittings--Back-up washer
GB/T5652-1985扩口式管接头锁紧螺母垫圈
13.
Bite type tube fittings--Tipping washer
GB/T3762-1983卡套式管接头用尖角密封垫圈
14.
a ring for packing pistons or sealing a pipe joint.
填塞活塞或垫在导管接头的圈环。
15.
To help reduce the tendency to balloon as the yarn is unwound from the quill.
有助于降低纬管退绕时的气圈现象。
16.
Regulatory commission should not fall into the trap.
管理委员会不应陷入圈套之中。
17.
On Developing Transportation System of "Red- Triangle and Economic" Circle;
发展“红三角经济圈”交通网络体系管见
18.
An Attempt to Discuss the Constructing of Yan an Tourism;
延安旅游圈的构建及社区化管理初探