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- The mechanism of casing tube s thread tripping is analyzed and the measures to prevent casing tube s thread tripping are proposed in this article. 分析了套管脫扣的機理,提出了預防套管脫扣的措施,對提高套管產(chǎn)品質(zhì)量,減少油田掉井事故的發(fā)生具有重要的參考價(jià)值。
- Norlen's thread catcher 諾倫(氏)捕線(xiàn)器
- CNC LATHE WORK FOR CORDAGE CORE ROD'S THREAD 繩索取心鉆桿螺紋的數控車(chē)削加工
- By screwing in empty, unlabeled plastic drink bottles into the center sphere’s threaded holes, the lamp creates a burst of light and refraction. 將一球狀燈表面進(jìn)行螺絲孔加工，然后將若干用過(guò)的塑料飲料瓶除去商標，清潔干凈，安裝到一球狀燈上，由于光線(xiàn)的照耀及反射，球體發(fā)出明亮炫目的光彩。
- The jar’s threaded silver-colored closure houses an unusual pump that dispenses product without the use of a more traditional dip tube. 該罐的線(xiàn)程銀色關(guān)閉房子不尋常的泵免去產(chǎn)品無(wú)需使用較傳統的浸管。
- used e.g.for buttonholes to be subsequently tacked with lockstitch;standard needle thread catcher. 可用于鎖眼后需用鎖式線(xiàn)跡加固的鈕孔；
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過(guò)冬。
- thread catcher 線(xiàn)鎖邊器
- Most plural nouns in English end in "s". 英語(yǔ)的復數名詞多以“s”結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過(guò)多次已縮水了。
- Stock's thread catcher 斯托克(氏)淚囊手術(shù)引線(xiàn)器
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛(ài)好。
- Vienna pattern thread catcher 維也納式鉤線(xiàn)器
- Answer the following question(s). 回答下列問(wèn)題。
- Most plural nouns in English end in s'. 英語(yǔ)的復數名詞多以s結尾。
- The drug affects one's power(s) of concentration. 這種藥影響人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 這就是那些圖樣.;你喜歡哪一個(gè)[些]?
- Which journal(s) do you subscribe to? 你訂閱哪一種雜志?
- The novel had an enormous vogue in the 1930's. 這本小說(shuō)在三十年代曾廣為流傳。
- He earned four A's in the final examinations. 他期末考試四門(mén)功課得優(yōu)。
