@jtwm42
Active 2 년, 3 개월 전
Mine Drill Equipment supply Manual Rock Drill Product Production
1.Before using the manual rock drill, first check the integrity and rotation of all parts, add necessary lubricating oil, check whether the air and water channels are unblocked and whether all connecting joints are firm.
2. Knock the side and ask the top near the working face, […] 보기
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