Using lifting type processing mode, the three power head simultaneously reaming, upper three power head while tapping and exhibition knife, assure product precision.
采用升降式加工模式，下层三个动力头同时扩孔，上层三个动力头同时攻丝及展刀，保证产品精度。
The experiments of the wallop of hydraulic shock device and the lifting moment of tower crane show that the mode is effective and reliable.
液压打桩锤冲击力和塔式起重机力矩实测研究证明该方法可行、可靠。
According to hanging file mode, the system automatically calculates the standard hoop and lifting value of each gun position and printer outputs the real-time trace map of the perforating gun.
根据挂档方式自动计算每炮标箍位置及该炮提放值，打印机实时输出该炮射孔跟踪图。
The lifting and lowering device can adopt the hydraulic pressure mode as well as the mechanical mode.
升降装置可采用液压方式，也可以是机械方式。
The lifting and lowering device can adopt the hydraulic pressure mode as well as the mechanical mode.
升降装置可采用液压方式，也可以是机械方式。
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