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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,對提高套管產品質量,減少油田掉井事故的發生具有重要的參考價值。
- CNC LATHE WORK FOR CORDAGE CORE ROD'S THREAD 繩索取心鑽桿螺紋的數控車削加工
- By screwing in empty, unlabeled plastic drink bottles into the center sphere』s threaded holes, the lamp creates a burst of light and refraction. 將一球狀燈表面進行螺絲孔加工，然後將若干用過的塑料飲料瓶除去商標，清潔乾淨，安裝到一球狀燈上，由於光線的照耀及反射，球體發出明亮炫目的光彩。
- The jar』s threaded silver-colored closure houses an unusual pump that dispenses product without the use of a more traditional dip tube. 該罐的線程銀色關閉房子不尋常的泵免去產品無需使用較傳統的浸管。
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過冬。
- Most plural nouns in English end in "s". 英語的複數名詞多以「s」結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過多次已縮水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛好。
- Answer the following question(s). 回答下列問題。
- Most plural nouns in English end in s'. 英語的複數名詞多以s結尾。
- The drug affects one's power(s) of concentration. 這種葯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[些]?
- Which journal(s) do you subscribe to? 你訂閱哪一種雜誌?
- The novel had an enormous vogue in the 1930's. 這本小說在三十年代曾廣為流傳。
- He earned four A's in the final examinations. 他期末考試四門功課得優。
- The Beatles were the pop idols of the 60's. 披頭士樂隊是六十年代人們崇拜的偶像。
- He returned to the fold at his 80's. 他在八十高齡又恢復原來的宗教信仰。
- She has an amused twinkle in her eye(s). 她高興得雙目熠熠發亮。
- Driving with worn tread(s) can be dangerous. 輪胎胎面磨損的汽車開著有危險。
- My expostulation(s) had no effect. 我提出的勸告毫無作用。
