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- Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps. 可单独作低真空泵用,也可与其它高真空泵组合作前级泵用。
- The Application of Solid-State Module in Roughing Pump System 固态模块在粗抽泵系统中应用
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- The ship pitched and tossed in the rough seas. 轮船在汹涌澎湃的大海中起伏颠簸。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- The cart bumped along the rough road. 运货马车沿着崎岖不平的道路颠簸而行。
- Could you give me a rough idea when you'll be back? 你能告诉我你大概什么时候回来吗？
- It is rough on him to work at Christmas. 他很倒楣，在耶诞节还要工作。
- I've told you to stop away from those rough boys. 我已嘱咐过你离那些粗野的男孩远点儿。
- She pencilled the rough outline of a house. 她用铅笔画出房子的轮廓图。
- Rough edges must be lapped over. 毛边必须折叠起来。
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Most girls do not go in for rough games. 大多数女孩子不参加粗野的游戏。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- A police car jogged along on the rough path to the village. 一辆警车在通向村庄的高低不平的小路上颠簸地行进。
- The ship made slow progress through the rough sea. 船只在汹涌的大海中缓慢前进。
- This tire is flat; you didn't pump enough air in. 这个轮胎没气了;你并没打足气。
- He's a tramp and used to living rough. 他是流浪汉,惯于风餐雨卧。
- We have a pump for drawing water from the well. 我们用一个水泵从井里抽水。
- Hey! Who needs rough drafts? Let's go! 嘿！谁还打什么草稿呀？直接写就行了。
