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- Effect of casting blast on surface mine bench slope 露天矿抛掷爆破对台阶坡面的影响
- Finally, some methods calculating cast blasting parameters and pre-splitting blast parameters and some advices of minish losing coal were brought forward. 最后给出了确定高台阶抛掷爆破参数和预裂爆破参数的方法,并提出了减小煤损失的一些措施。
- Deep coal extraction by cast blast and bulldozer 抛掷爆破加推土机回采深层煤
- To achieve high casting blast efficiency, technical parameters such as bench height, angles, diameters and patterns of blasting holes, priming method and delay time should be selected properly. 为取得较高的抛爆率,需要注意选择的技术条件包括台阶高度、炮孔角度、炮孔直径、布孔方式、起爆方式及延时选择等。
- The single-hole casting blast experiment was conducted in lab.The formation process of blasting crater was observed and the casting velocity and its distribution rule was analyzed. 在实验室进行了单孔抛掷爆破试验,观测了台阶爆破漏斗形成过程,分析了抛掷速度及分布规律。
- The accordion was in full blast in the hall. 在大厅里手风琴拉得非常响亮。
- I can't bear young people casting away their youth. 我无法忍受年轻人虚掷青春。
- That volcano cast forth lots of lava and ashes. 那火山喷了出大量熔岩和灰烬。
- The party was going on in full blast. 聚会进行得热闹非凡。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- He used his casting vote to block the motion. 他用他的投票反对动议的通过。
- He cast a furtive glance at her. 他偷偷瞥了她一眼。
- My brother plays his records full blast in his bedroom every night. 我弟弟每天晚上在他的卧室里大声放录音机。
- He is cast in his father's mold. 他长得和他父亲一模一样。
- A blast of the trumpet gave her a start. 突然发出的喇叭声吓了她一跳。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- A trumpeter sent out a warning blast. 号兵吹出告警的号声。
- The bomb blast killed several harmless passers-by. 炸弹爆炸使几个无辜行人受伤。
- He was able to cast off such an uninteresting task. 他终于摆脱了这么一项乏味的工作。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries