How many minutes does it take to drill 1 meter by drilling machine _ rock drill
Original title: How many minutes does it take to drill 1 meter with a drilling rig? YWG series down-the-hole drilling machine is a new type of highly integrated down-the-hole drilling machine independently developed by our company. The machine adopts full hydraulic control, makes full use of the excavator hydraulic system, is highly integrated, convenient and fast, and is widely used in mining,...
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