直井井下馬達 的英文怎麼說

中文拼音 [zhíjǐngjǐngxià]
直井井下馬達 英文
straight-hole downhole motor
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ名詞1 (從地面往下鑿成的能取水的深洞) well 2 (形狀像井的東西) sth in the shape of a well 3 (...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : Ⅰ名詞1 [動物學] (哺乳動物) horse 2 (象棋棋子) horse one of the pieces in chinese chess3 (姓...
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • 馬達 : (電動機) motor馬達過熱保護 motor protection against overheat; 馬達降速器 [機械工程] motor reduc...
  1. Among the designs left by leonardo da vinci almost 500 years ago ? with notes written backward to be read with a mirror ? were the parachute , life jacket , water pump , swim fins , well digger , paddle - wheel boat , horseless carriage , sprocketchain , steam gun , water turbine , lens - grinding0 machine , shrapnel , machine gun , airplane , helicopter , submarine , and mass production

    近500年前列奧納多??芬奇留的許多設計稿? ?即須通過鏡子才能讀懂的反著寫的筆記,其中有降落傘、救生衣、水泵、游泳腳蹼、鉆機、明輪機、無車、扣齒鏈、蒸汽槍、水輪機、磨鏡片機、子母彈、機關槍、飛機、升飛機、潛水艇和成批生產的設計。
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