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- Keywords wind coal drill;bursting tager;function effect; 风煤钻;突出层;作用效果;
- wind coal drill 风煤钻
- For coring crowns,electric coal drill bits,coal cutting picks,cone drill bits and scraping knife bitts,used in geological prospecting,coal mining and oil well boring. 适用于地质勘探、取心钻头、电煤钻、截煤机齿、石油牙轮钻和刮刀钻头。
- 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。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The boat heeled over in a strong wind. 船在强风吹袭下倾侧了。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- Electrical Coal Drill Earth Leakage Protection Design Method 基于单片机的煤电钻漏电保护设计
- New electric leakage protection device of electric coal drill 一种新型的煤电钻漏电保护装置
- She was like a narcissus trembling in the wind. 她像一株在风中摇动的水仙。
- 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。
- Still, it's an ill wind; you will have an unexpected holiday. 不过，这也并非完全的不幸，你会享受到一次意外的休假。
- Problems and Countermeasures of Electric Coal Drill Comprehensive Device 煤电钻综合装置的问题及对策
- The north wind set them shivering. 北风吹得他们浑身打颤。
- The pitiless north wind blew for weeks. 凛冽的北风一连刮了几个星期。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- His hat was whirled away by the wind. 他的几十被风吹得旋转飞走。
- New - style quick interruption versatile protector of electric coal drill 新型快速断电煤电钻综合保护装置
- The yacht was scudding along before the wind. 那只帆船正乘风笔直疾驶。
