Terms for subject Explosives and Explosive Ordnance Disposal containing 一段

Chinese	English
一段时间	cycle
只有一面临空的地段	a section free of objects on only one side
大多数民用炸药在爆炸时、只有部分在爆轰波阵面起反应、尚有很大一部分在膨胀阶段进行二次燃烧时才消耗掉	In most commercial explosives, only part of the ingredients react immediately at the detonation front, leaving a considerable part to be consumed by aftercombustion during the expansion phase
大多数民用炸药在爆炸时、只有部分在爆轰波阵面起反应、尚有很大一部分在膨胀阶段进行二次燃烧时才消耗掉	In most commercial explosives, only part of the ingredients react immediately at the detonation front, leaving a considerable part to be consumed by afterburning during the expansion phase
把一条直线分为几段	divide a straight line into several sections
每一次气体释放的量级取决于每一阶段的具体过程、但可能有大的变化	The magnitude of each of these emissions is dependent on the specific process at each stage, with large variations possible
爆破是露天采矿作业采掘矿物和矿石的一种主要手段	Blasting is a primary means of extracting minerals and ores at surface mining operations
革命性技术变革虽然能使煤炭开采率逐渐上升、意义重大、但距今尚有一段距离	R-technologic reforms, which can bring about profound, step-junction increases in coal recovery, are still way off