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1. The Roof filter should use the specified hydraulic oil, and adding hydraulic oil must be filtered through the filter screen of the air filter.

Air Leg Rock Drill：A Powerful Tool For The Mining And Construction Industry 标签

In the afternoon of January 11, the signing ceremony of legal services between China Coal Group and Shandong Maita Law Firm was held in the first conference room.

air leg rock drill, gasoline rock drill

What Should Be Paid Attention To For Long-term Storage Of Air Leg Rock Drill And Gasoline Rock Drill

The air leg drill uses compressed air to drive the piston to move back and forth. The piston strikes the drill tail during the stroke, and the piston drives the drill tool to rotate during the return