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Terms for subject Explosives and Explosive Ordnance Disposal containing collar | all forms | exact matches only
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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
blasthole collar炮孔口
borehole collar condition孔口条件
collar distance空孔长度由炸药顶部到孔口的距离,通常即为堵塞长度
collar firing正向起爆炸药装人炮孔后,把起爆药卷放在孔口附近使爆轰从孔口传至孔底的起爆方法,也称孔口起爆或顶端起爆
collar length空孔长度由炸药顶部到孔口的距离,通常即为堵塞长度
collar of a hole炮孔外端
collar priming正向起爆起爆药卷〈包〉靠近炮孔口,雷管底部朝向眼〈孔〉底的起爆方法
collar priming正向起爆炸药装人炮孔后,把起爆药卷放在孔口附近使爆轰从孔口传至孔底的起爆方法,也称孔口起爆或顶端起爆
collar region炮孔口周边地带
feathered plastic collar带固定片的塑料套管光面爆破装药时使管状药包位于中心的塑料制成的装置。在安装管状药包时,固定片启动,直径变得比孔径稍大。当药包被推人炮孔后,药包自动锁定在推到的位置
hole collar炮孔口
hole collar location炮孔口方位
It is discovered in filed experiments that most of the collar flyrock is thrown in a direction fallowing the drill holding axis现场实验发现、孔口周围的大部分飞石沿着炮孔轴线方向抛掷出去
It is discovered in filed experiments that most of the collar flyrock is thrown in a direction fallowing the drill hole axis现场实验发现、孔口周围的大部分飞石沿着炮孔轴线方向抛掷出去
shaft collar固定盘为保证凿井作业安全和进行井筒测量等作业,在封口盘下方一定距离设置的,固定于井壁的盘状结构物
temporary collar临时锁口井筒掘进时为吊挂临时支架和安设封口盘等用的临时构筑物