石家莊張家口FDJ-180氣動切割鋸煤礦鋼管切割鋸新疆昌吉FDJ-120氣動切割鋸手持式鋼材切割據伊犁石河子井下氣動切割鋸煤礦小型風動防爆切割鋸貴州青海牡丹江伊春鋼絞線切割鋸吉安江西手持式氣動切割鋸高效率氣動切割鋸黔南畢節礦用無火花線鋸FDJ-120鋼材氣動切割鋸西藏阿里井下氣動切割鋸礦用防爆切割鋸南寧北海潮濕巷道切割鋸礦井鋼材氣動切割鋸撫順大連礦用無火花線鋸FDJ-120錨索氣動切割鋸