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- The fluid above the traveling valve moves one full stroke upward on the upstroke. 当游阀之上的流体运动至上冲程以上时，该流体移动了一个整冲程。
- The pump adopts isodiametric plunger, and there is no valve ball in its upper traveling valve housing. 这种抽油泵采用等径柱塞,上游动阀罩内无阀球,仅通过螺纹与柱塞上部连接;
- The lower part of the lower traveling valve is connected to a guide shoe with diversion hole and diversion trench. 在下游动阀罩下部连接有引鞋,引鞋上开有导流通孔和导流槽。
- The old car was travelling at quite a clip. 那辆旧汽车开得相当快。
- Keywords lant straight well;rod pump;travelling valve;structure;design; 斜直井;有杆泵;游动阀;结构;设计;
- Just the thought of travelling by air puts me in a blue funk. 只要一想起坐飞机旅行就使我极为恐惧。
- She met with many difficulties when travelling. 她在旅行时遇到了许多伤脑筋的事。
- I've been travelling a lot this past year. 这一年中我一直在旅行。
- The old couple enjoyed travelling on foot. 这对老人喜欢徒步旅行。
- The story about space travelling is interesting. 那个关于宇宙旅行的故事很有趣。
- The cost of travel to the far east is prohibitive. 到远东旅游的费用高的令人不敢问津。
- Have you turned off the water valve? 你关掉水阀了吗？
- Passenger ships are a costly way to travel. 坐游轮是昂贵的旅行方法。
- Mary would rather travel by train than by plane. 玛丽宁可乘火车而不愿乘飞机旅行。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- I shall travel to New York by air this weekend. 这个周末我将要乘飞机去纽约旅行。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- My uncle is travelling in South America. 我叔父在南美洲旅行。
- Travelling is not her cup of tea. 旅游不是她所喜欢的。
