風動(dong)鏈鋸(ju)是(shi)煤(mei)礦巷(xiang)道支護維修、截(jie)割木料的專用(yong)(yong)(yong)工具。適(shi)用(yong)(yong)(yong)于瓦斯煤(mei)礦生(sheng)產(chan)的需要，深受廣(guang)大用(yong)(yong)(yong)戶的歡迎。風動(dong)鏈鋸(ju)替代了手工刀鋸(ju)截(jie)木料，既減輕(qing)了人們笨重體(ti)力勞動(dong)，又(you)提(ti)高截(jie)割速度(du)
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