By open stage deep hole blasting,the stone material is directly used in to enclose the tideland for cultivation and dam construction.
采石场石方开采量为150万m3,采用露天台阶深孔爆破,石料开采后直接用于围垦工程的抛坝施工。
According to specific geological conditions of Jiujialu mine area,deep-hole blasting open-air stage is explored in this paper.
根据九架炉采区具体地质条件,进行露天台阶深孔爆破的实践探索。
Research on Open-air Bench Blasting Vibration Velocity and Frequency Forecast
露天台阶爆破振动速度与频率预测研究
Application of Interval Charge Structure in the Open-pit Bench Blasting
间隔装药结构在露天台阶爆破中的应用
Experiment of open-pit bench blast based on the sound wave-induced damage properties of rock masses
基于岩体声波损伤特性的露天台阶爆破试验
Reasonable delay time of bench microsecond delay blasting
露天台阶爆破中合理微差间隔时间的确定
Probe into Bench Blasting Technology on Jiujialu Mining Area
九架炉采区露天矿台阶爆破技术探索
The harmfulness of high step burst body and the prevention of its taking place during the initial stage of changing underground into opencast mining
地下开采转露天开采初期高台阶爆裂体的危害与防治
PRIMARY PRESPLIT CONTROLLED BLASTING AND EQUIPMENT FOR DOUBLE-PARALLEL STEP BENCH OF OPEN-CUT MINE
露天矿双并段台阶一次预裂控制爆破及设备配套
Experimental Study on Seismic Effect of Deep-hole Bench Blasting in Open-pit and Its Numerical Simulation;
露天深孔台阶爆破地震效应试验研究与数值模拟
Experimental Research on Rock Bench Blasting Method and Parameters in Hongtian Opencast Coal Mine
红田露天煤矿岩土台阶爆破方法和爆破参数试验研究
Occurring Reason and Its Preventive Measure of Toe Rock in Deep Hole Bench Blasting in Ganchong Hillside Opencast Mine
甘冲山坡露天矿台阶深孔爆破根底产生原因及预防措施
Drinks are being served on the terrace .
露天平台上正在卖酒。
An often unroofed outdoor grandstand for seating spectators.
露天看台一种常为无顶的露天观众大看台
It's cheaper and most of the real baseball fans sit in the bleachers.
汤姆:露天看台便宜，而且大多数真正的棒球球迷都坐在露天看台。
The noise from the terraces was deafening.
露天看台上的吵闹声震耳欲聋。
They decorated the band stand with red, white, and blue bunting.
他们用红、白、兰色旗子表针露天音乐台。
It’s only in the bleachers where you have to sit in the sun.
只有在露天看台上才得坐在阳光下。
The acrobats performed on the open platform.
杂技演员在露天舞台上进行的表演。
a theater arranged with seats around at least three sides of the stage.
四周有阶梯式座位的露天圆形竞技场或剧