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- The fluid above the traveling valve moves one full stroke upward on the upstroke. 當游閥之上的流體運動(dòng)至上沖程以上時(shí)，該流體移動(dòng)了一個(gè)整沖程。
- The pump adopts isodiametric plunger, and there is no valve ball in its upper traveling valve housing. 這種抽油泵采用等徑柱塞,上游動(dòng)閥罩內無(wú)閥球,僅通過(guò)螺紋與柱塞上部連接;
- The lower part of the lower traveling valve is connected to a guide shoe with diversion hole and diversion trench. 在下游動(dòng)閥罩下部連接有引鞋,引鞋上開(kāi)有導流通孔和導流槽。
- The old car was travelling at quite a clip. 那輛舊汽車(chē)開(kāi)得相當快。
- Keywords lant straight well;rod pump;travelling valve;structure;design; 斜直井;有桿泵;游動(dòng)閥;結構;設計;
- Just the thought of travelling by air puts me in a blue funk. 只要一想起坐飛機旅行就使我極為恐懼。
- She met with many difficulties when travelling. 她在旅行時(shí)遇到了許多傷腦筋的事。
- I've been travelling a lot this past year. 這一年中我一直在旅行。
- The old couple enjoyed travelling on foot. 這對老人喜歡徒步旅行。
- The story about space travelling is interesting. 那個(gè)關(guān)于宇宙旅行的故事很有趣。
- The cost of travel to the far east is prohibitive. 到遠東旅游的費用高的令人不敢問(wèn)津。
- Have you turned off the water valve? 你關(guān)掉水閥了嗎？
- Passenger ships are a costly way to travel. 坐游輪是昂貴的旅行方法。
- Mary would rather travel by train than by plane. 瑪麗寧可乘火車(chē)而不愿乘飛機旅行。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人預先安排的度假事宜。
- I shall travel to New York by air this weekend. 這個(gè)周末我將要乘飛機去紐約旅行。
- We need an eye bolt to fit this valve. 我們需要一個(gè)有眼螺栓來(lái)固定這個(gè)閥門(mén)。
- The great virtue of air travel is speed. 乘飛機旅行的最大優(yōu)點(diǎn)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. 旅游不是她所喜歡的。
