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- hotair explosion = back draft explosion 热空气爆炸
- ventilated induced flashover = back draft explosion 通风诱发型轰然
- back draft explosion 逆通风爆炸
- This paper studied the influence of back draft,tuist factor and top roller hardness on yarn hairness as well as the technology measure of decreasing yarn hairness in FA502 spinning frame. 主要研究了FA502型细纱机纺纱时,后区牵伸倍数、细纱捻系数和皮辊硬度对成纱毛羽的影响。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- Using High Back Draft, Spinning Ultra Short Fiber Yarn 应用并条后区大牵伸纺超短纤维纱
- A pressure-bar is put on the back drafting zone so as to remove the back-surrounded arc and to make more uniform drafting.It also gives a good method to reduce the hairness. 通过在后牵伸区增加一附加压力棒消除反包围弧,从而提高牵伸效果,并对其产生的毛羽增多的弊病采取了建议性措施。
- 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。
- 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。
- The crowd fell back to let the ambulance through. 人群往后退，让救护车通过。
- The teacher get a raspberry as she turn her back. 该教师转过身去时有人用舌与唇发出嘲笑她的声音。
