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- This paper introduces the principle of leakage protection unit of mine vacuum feed switch in detail,emphatically analyzes the testing process of higher-level leakage protection of feed loop. 本文详细地介绍了矿用真空馈电开关漏电保护单元电路的原理,重点分析了馈电回路上级漏电保护的测试过程。
- Development of Vacuum Feed Switch Disjion Test Install 真空馈电开关脱扣器试验装置的研制
- That boxer is a prodigious feed. 那个拳击家是个大肚汉。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- Unwaged members pay a lower entrance fee. 无固定收入的人入场费从优。
- Cows and sheep depends forage to feed. 牛和羊依靠草料喂养。
- He can barely feed and clothe his family. 他勉强能给予全家人温饱。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- She charged only a nominal fee for her work. 她为所做的工作只收取象征性的费用。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The fee paid to a mint by a government. 铸币费政府支付给铸币厂的钱
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- I thought the accountant's fee rather high. 我认为那个会计师收费很高。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Cattle and sheep feed chiefly on grass. 牛羊主要以草为食物。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The doctor's fee was higher than we expected. 这位医生的收费比我们预料的高。
- I'm afraid I can't afford the doctor's fee. 恐怕我付不起给医生的酬金。