Sign in | English | Terms of Use
DictionaryForumContacts
Terms containing blasthole collar | all forms | in specified order only
SubjectEnglishChinese
expl.Blast gases can vent up along the blasthole to launch stemming material and/ or fragments from the collar region爆破产生的气体会沿着炮孔将孔口周边的堵塞物和/或碎块抛出
mining.blasthole collar炮眼口
expl.blasthole collar炮孔口

Get short URL