power tongs
... fishing tool 打捞工具 power tong 动力大钳 air winch (air tugger) 气动绞车 ...
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液压动力大钳 hydraulic power tongs
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传动系统用Q10Y-M液气大钳钳头改造而成,并采用大钳的液压动力源。
The drive system is refitted from the tong head of Q10Y-M hydro-air tong and uses the hydraulic power supply of the tong.
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