The cause of the high display value of CO sensor after blasting in driving or mining faces is analyzed,and the comprehensive measures are put forward.
对采掘工作面放炮后,CO传感器上显示体积分数值与实际值相比较显示值偏大的原因进行了分析,同时提出了综合性的防范措施。
In this paper, the state and types of accidents caused by coal mine blasting are introduced.
本文通过介绍煤矿放炮事故现状及类型,针对放炮事故居高不下的原因,提出了消灭放炮事故的五大对策,以保证放炮安全。
The obvious difference of air pollution change rule in new year eve night of forbidden and not forbidden zones before the forbidden limit of cracker firing; and the change character after the limit were in these zones; meanwhile, the air pollution state in 2000~2006 spring festival period was evaluated.
分析了北京市鞭炮燃放禁改限前禁放区和非禁放区除夕夜大气污染变化规律的明显差异,以及禁改限后,以上区域大气污染变化的趋同特点。
Analysis of data transmission interrupt produced by wire shooting of seismograph and improving measures.;
地震仪有线放炮产生数传中断的分析及改进措施
Changing wire shooting to wireless shooting for R24 seismograph
将R24仪器有线放炮方式改为无线放炮方式
Application of BOOM BOX relay technique in 408UL wireless shooting;
BOOM BOX中继技术在408UL无线放炮中的应用
Changing wire shooting to wireless shooting for R24 seismograph
将R24仪器有线放炮方式改为无线放炮方式
With the remote vibration shot,the seam could be safely and rapidly opened.
通过对丁集煤矿煤层突出危险性分析,研究确定了井筒穿过具有突出危险性煤层时通过地面预注浆进行固化煤层,降低煤层的孔隙率和瓦斯放散初速度,提高煤体强度,使煤体不具有突出危险性,再用远距离震动放炮方法安全快速揭开煤层。
When advancing and uncovering coal in roadway, better construction method is vibration shot, metal framework, borehole bleed-off and hydraulic hole, of which vibration shot is principal.
井巷掘进揭煤时,较好的施工方法是震动放炮,金属骨架,钻孔排放和水力冲孔,尤以震动放炮为主。
approved shot firing apparatus
安全放炮器耐爆放炮器
Don't speak if you don't know the facts.
不了解情况不要乱放炮。
Changing wire shooting to wireless shooting for R24 seismograph
将R24仪器有线放炮方式改为无线放炮方式
The illustration is for a straddle spread and a single explosive source.
该图是对单炮点的一个中间放炮排列绘制的。
amount of explosive needed to fire a gun or cause an explosion
（开枪放炮或产生爆炸所需的）炸药量.
It's no use tilting at windmills.
乱放炮是一点用也没有的。
He had still the linstock of his gun in his own hand.
他自己的手里还拿着放炮的火绳杆。
The children are letting off firecrackers.
孩子们在燃放鞭炮。
We have firecrackers at New Year!
我们新年的时候放鞭炮。
They had to let off firecrackers by way of apology.
他们得放鞭炮赔礼。
Kids letting off firecrackers/feeling Both joy and fear
小孩放鞭炮,又爱又怕
Can we set off some firecrackers?
我们可以放些鞭炮吗?
The captain ordered his men to fire a salute.
船长命令部下鸣放礼炮。
They set off firecrackers and watch fireworks displays.
人们放鞭炮，看烟花。
began to set off firecrackers for the Spring Festival.
过春节放鞭炮的由来。
Now, none of your empty talk. Let's see how you act.
不要放空炮, 拿出行动来。
The teenagers like to let off firecrackers.
青少年喜欢燃放鞭炮。
Granny, I want to set off firecrackers too!
姥姥，我也想放鞭炮。