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- Three closing of pithead is realized by the technology transformation of safe door with coal electric drill motor. 通过使用煤电钻电机对副井安全门进行技术改造,实现井口三闭锁。
- The causes of using traditional wet drilling difficultly are analysed. And the wet drilling method of the coal electric drill of external spray hydroelectric interlock is related. 分析了传统湿式打眼难以推广应用的原因,叙述了外喷雾水电联锁煤电钻湿式打眼法。
- The Design of Coal Electric Drill Switch Tester 煤电钻开关试验装置的设计
- The coal seam hydraulic drill can replace coal electric drill,of coal seam composed of this gear motor will replace electric coal drill,and will be widely used for drilling of coal face. 以乳化液为工作介质的煤层液压钻可取代煤电钻,广泛用于采煤工作面的煤壁钻孔工作。
- Study on Working Instability of Integrated Protector for Coal Electric Drill 煤电钻综合保护装置工作不稳定性研究
- The hydraulic coal driller overcomes the weakness of the coal electric driller,it depends on the motive sources of the emulsification liquid pump station of hydraulic prop and turns the hydr... 液压煤钻克服了煤电钻的缺点,它以液压支柱的乳化液泵站为动力源,将液压能以输出转矩的方式转化为机械能,实施钻孔,有小部分乳化液经空心钻杆到钻头,实现湿式打眼,降低粉尘浓度,改善工作环境。
- It's an electric drill with a range of different attachments. 这是一个带有各种配件的电钻。
- A sort of electric drill ran through the cafe. 咖啡馆里一阵兴奋,好像通过一阵电流一般。
- This can't be done without a electric drill. 这活不用电钻是不行的。
- Why do you need an electric drill? 你为什麽需要一把电钻呢?
- The workers are using the advanced electric drill. 工人们正在使用先进的电子钻。
- Be in stiletto in notch with electric drill next. 然后用电钻在槽口处打孔。
- Side likely katana, forest likely electric drill”. 方像武士刀,林像电钻”。
- coal electric drill 煤电钻
- coal electric drill switch 煤电钻开关
- Time Set of Overload Protection Circuit of IC Type in 2.5 kVA Coal Electrical Drill 5kVA煤电钻IC型过载保护电路的时间整定
- I'll let you borrow my lawn mower if I can use your electric drill; after all, fair exchange is no robbery. 如果我能用你的电钻,那我就借给你我的割草机,公平交换绝非强夺。
- The constant whine of the electric drill was beginning to grate in my ears. 那电钻发出的持续不断的呜呜声,开始使我觉得刺耳。
- His latest toy is the electric drill he bought last week. 他的新玩意儿是他上星期买的电钻。
- An electric drill with a range of different attachments. 带有各种配件的电钻。