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- back blast mechanism 后喷装置
- The occurring condition, the blast mechanism and the disaster of vapor cloud explosion of gas pipeline were analyzed emphatically. 重点分析了输气管道的蒸气云爆炸灾害的发生条件、爆炸机理和危害。
- A little while, transmit from the back blast a bray, a money is sweating, can be no good more urgently more, the car from the back is pressing a horn very impatiently however desperately. 一会儿，后面传来阵阵喇叭声，阿财满头大汗，可越急越不行，后面的车子却很不耐烦地拼命按著喇叭。
- Blasting mechanism of exploding wires used for a new type of srtong pulsed IR source is studied theoretically and experimentally. 利用电爆丝的一种红外脉冲强光辐射新技术，从理论和实验上研究了电爆丝的爆炸机理。
- Research of Back Blast Buffer Unit of Hydraulic Impactor 液压冲击器防反弹冲击缓冲装置的研究
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- Suitable parameters of perimeter blasting were obtained with good results.In the final, the paper discussed the blasting mechanism of the frozen soil and the blastin... 通过试验获得了较好效果下周边爆破的适宜参数,并对冻土的爆破机理和爆破对冻结管的影响问题进行了探讨。
- Rock blasting mechanism; blasting new technologies; blasting control technology; blasting hazard prediction and control; blasting process computer simulation. 岩土爆破机理；爆破新技术；控制爆破技术；爆破危害的预测和控制；爆破过程的计算机仿真等。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- The notch blasting mechanism is expounded by the fracture mechanics principle, the cutting tool parameters for notch presplitting blasting is put forward. 利用断裂力学原理阐明了切槽爆破机理,提出了切槽预裂爆破的刀具参数,依据现场初步试验成果指出了下一步应改进的切槽刀具参数。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
- He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
- After a long coma the sick man slowly came back. 昏睡了好久以后，那个病人慢慢地恢复了活力。
- Back in Nigeria we used to play a lot of tennis. 我们以前在尼日利亚经常打网球。
