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- This paper presents drilling fluid technology used for big hole,big clearance of annular,owl returning velocity while drilling collapsing complicate formation,that is polymer/MMH drilling fluid. 本文介紹了一種應用于大井眼、大環(huán)空間隙、較低返速條件下鉆易垮塌等復雜地層的鉆井液技術(shù)，即兩性鉆井液技術(shù)。
- The annular markings on a tree indicate its age. 樹(shù)的環(huán)形紋理顯示其年齡。
- I buy him a drink in return for his help. 我請他喝酒以酬謝他的幫助。
- We look forward to the return of spring. 我們期待著(zhù)春天的到來(lái)。
- He avowed that he would never return. 他聲明他決不回來(lái)了。
- He makes a return and go back to the hotel. 他掉轉車(chē)頭，駛回飯店。
- He might think it polite to return the visit. 他可能認為回訪(fǎng)比較合乎禮儀。
- He swore by his honour he would return the bike. 他以自己的名譽(yù)發(fā)誓一定歸還自行車(chē)。
- The normal return fare to New York is fifty-six. 去紐約的來(lái)回票標準價(jià)是56元。
- It was reported that there would be an annular eclipse tomorrow. 據報道說(shuō)，明天有日環(huán)食。
- He assist me with my income tax return. 他幫助我填寫(xiě)所得稅申報單。
- Keywords twofold wall drill tools;up return velocity;deepen;air reverse circulation; 關(guān)鍵詞雙壁鉆具;上返速度;加深;氣舉反循環(huán);
- He neglected to return his income tax form. 他忽略了所得稅表格的申報。
- Dust thou art, and unto dust shalt thou return. 你本是塵土就該歸於塵土。
- He went off to the war never to return alive. 他去參加戰爭，沒(méi)能活著(zhù)回來(lái)。
- Do you want a single or a return ticket? 你要單程票還是往返票?
- I promise to return your bicycle on good condition. 我答應一定完好無(wú)損地還你的自行車(chē)。
- I'll need an economy class, three-day return. 我要一張3天回程的經(jīng)濟艙來(lái)回票。
- I'm really longing to return home. 我確實(shí)渴望回家。
- The annular swarf\|carrying velocity reduced with the increase of hole deviation angle and swarf size. 銑屑的環(huán)空返出率隨著(zhù)井眼傾角、銑屑尺寸的增大呈下降趨勢。
