The chain drive RIGS are driven by the integral enclosed compound chainbox and torque converter. During rig moves, the chains can be dismantled for ease of installation.
链传动钻机采用整体密闭式并车链条箱与变矩器统一驱动形式,在钻机搬家时无需拆装链条,可实现快速安装。
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The wooden box is actually a homemade device for doing polymerase chain reactions (PCR), a process that turns small samples of DNA into quantities large enough to analyze.