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- combined heading face 综掘工作面
- On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium. 录音设备上的一种装置,它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。
- On dictating equipment,the process of making reproducing a recording by means of a playback head or a combined head. 在口述记录设备上,利用放音磁头或组合磁头回放录音的过程。
- Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine. 超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。
- A device for accurate alignment of playback head, or combined head, to the track on the recording medium. 录音设备上的一种装置,它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。
- The charts were used to illustrate the dust distribution laws of coal mining face, heading face, during haulage, car-loading and tipping. 使用图表反映出采煤面、掘进工作面、运输过程、装车过程以及翻车时粉尘的分布规律。
- On dictating equipment, the process of making reproducing a recording by means of a playback head or a combined head. 在口述记录设备上,利用放音磁头或组合磁头回放录音的过程。
- The reason of the formation of gas porosities and cracks on the head face of valve tappet has been studied. 本文分析了气门挺杆端面气孔、裂纹形成原因。
- The combined head, trunk and enlarged pectoral fins of some cartilaginous fishes with depressed bodies. 体盘头部,身体以及延长的胸鳍所共同形成的体盘。
- Objective To explore diagnosis and treatment of hepatic and splenic injury combined head injury. 目的探讨肝、脾损伤并发颅脑损伤的诊断与治疗。
- I tossed my head facing the girl and gave IT a wink. 转头看到小女宝宝,于是我对她眨了眨眼睛。
- The characteristic of the disk type screwthread is that its radial size is far greater than axial size and it is processed out square thread on its head face. 盘型螺纹特点是其径向尺寸远远大于轴向尺寸,并在端面上加工出方牙螺纹,由于螺纹的旋向由外向里,其螺旋线由大变小。
- A lion in side view,having one forepaw raised and the head facing the observer. 狮像前爪抬起而且头面向观众的狮子侧像
- Titanium alloy blades artificial joints, golf heads face and auto connecting rod by precision forging. 钛合金精锻叶片、人工关节、高尔夫球头、打击面汽车连杆等。
- This method has the advantages of no need of dismantling the cutterhead at heading face place, no need of setting up vertical shaft or operation corridor, less construction difficulty, quick reparation and low cost. 该方法无需在掘进面拆解刀盘、建竖井或工作廊道,施工难度小,修复速度快,费用低。
- The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied. 实践表明,采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况,尤其是含水情况具有较好的预测结果。
- The article analyzes the cause of coal and gas outburst in heading face and introduces ways,control gas outburst in heading faces with three-soft coal seam. 分析了煤巷掘进头发生煤与瓦斯突出的原因,介绍了“三软”煤层高突区域煤巷掘进头瓦斯综合治理的途径和措施。
- But the tortoise looked at him fixedly with calm eyes and with her head facing up, as if waiting. 但这只乌龟昂起头,眼睛盯着他看,好像在等待他的回答。
- Self-impingement scrubber is a kind of new dust collector with high efficiency used in heading faces. 自激式除尘器是适用于掘进工作面的一种新型、高效的除尘器。
- The two parties have combined to form a government. 两党已经联合起来组成政府。