A safe and explosion proof test bench for measuring contractibility of detonating cord is developed in order to measure tiny change in length of a detonating cord with safety and accuracy in high temperature environment.

為在高溫環(huán)境中安全準確地測量導爆索長度的微量變化肏屄免费视频，研制了安全防爆的導爆索收縮性測試臺架国内自拍日韩在线观看网站。

Don't pull the detonating cord. That's dangerous.

別拉那根火藥導線，挺危險的狼友偷拍视频。

A new blasting vibration method,which is different from the traditional method to measure the delay time of detonating cord detonator,is proposed through studying the testing process and principle.

通過觀察導爆管雷管延期時間的測定過程和研究測定控制原理综合网图，提出了與傳統(tǒng)測定方法不同的爆破振動測定方法。

Combining practice at Nanfen Open Pit and applying statistical analysis,the paper introduces the measuring,analyzing and calculating of reliability of three types of detonating points between detonating cord and nonel tube .

結合南芬露天礦的實際3及片黄色福利午夜网站，運用統(tǒng)計分析的方法人人干免费看片国产，對導爆索與導爆管3種類型的傳爆結點可靠性進行抽樣測試、分析與計算www.猛黄色网站，初步確定了其3種類型傳爆結點的可靠性指標欧美亚洲视频一区，并對其可靠性進行了評價。

The detonating cord and millisecond delay detonating tube with non-electric detonator priming system is used in our mine for underground big demolition.

我司井下大爆破使用的是非電雷管成人av小姐网站在线观看、導爆索涩多多在线观看、導爆管微差復式起爆系統(tǒng)，但在現(xiàn)場操作中激情变态另类三级无限，由于對兩種起爆器材的認識缺陷和偏見台湾久久一级婬A片AAA毛片，在系統(tǒng)網(wǎng)路聯(lián)結工作上存在不足因素，爆破結果表現(xiàn)出起爆器材不徹底起爆的現(xiàn)象淫荡视频免费网站。

Keywords compound priming system;detonating cord;detonating tube;same directional acute angle;reverse directional acute angle

復式起爆系統(tǒng)国产精品第一区免费观看；導爆索；導爆管国产精选插逼视频；同向銳角亚洲中文刮吗一本到午夜；反向銳角