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- This paper introduces research and development of DH pneumatic perforating machine, hydraulic percussion hammer and trajectory -controlled pneumatic perforating machine and their application. 非開(kāi)挖技術(shù)在國際發(fā)展迅速，在我國尚有差距，本文介紹我國DH氣動(dòng)穿孔機、液壓沖擊錘、軌跡可控氣動(dòng)穿孔機的研制及工程應用情況。
- percussion hammer firing mechanism 擊針錘擊發(fā)裝置
- Taylor's percussion hammer 泰勒(氏)叩診錘
- I am not entirely a back number, Taylor. 泰勒，我還不是一個(gè)毫無(wú)力量的人。
- Taylor has too much prudence to gamble. 泰勒為人謹慎小心，不會(huì )去投機冒險。
- Mr. and Mrs. Taylor had a seven-year-old boy named Pat. 泰勒夫婦有一個(gè)七歲的男孩，名叫帕特。
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過(guò)冬。
- 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。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛(ài)好。
- Taylor, the capitalist, used to play down to most of his employees. 資本家泰勒對他的大部分雇員經(jīng)常故意裝得態(tài)度謙遜，企圖贏(yíng)得他們的好感。
- percussion hammer 沖擊式鑿巖機,沖擊錘,叩診錘
- Mr. Taylor relegate his project to his son after he have ret. 泰勒先生退休后把他的事業(yè)移轉給兒子。
- Answer the following question(s). 回答下列問(wèn)題。
- An American telephone ordering system of Baker and Taylor. 美國B(niǎo)aker和Taylor公司的一種電話(huà)訂購系統。
- Most plural nouns in English end in s'. 英語(yǔ)的復數名詞多以s結尾。
- Flint's percussion hammer 弗林特(氏)叩診錘
- 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]?
- folding percussion hammer 折式打診錘
