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- feed hole spacing 输纸孔间距
- Equations for calculation parameter of directional split of rock by controlled blasting are used to determine the hole spacing and explosive charge,it is effective and reasonable in practice. 按照切缝药包定向断裂控制爆破参数计算公式确定的炮孔间距和装药量,经现场实际应用证明是有效的和合理的。
- Based on the analysis of the blasting factors,this paper analyzed the effect of different hole spacing upon the hard top coal by pre-splitting blast and thus obtained reasonable blasting. 在探讨爆破工艺参数的基础上,利用数值模拟技术分析不同炮孔间距对该矿坚硬顶煤预裂爆破的影响并得出合理的炮孔布置间距,为顶煤预裂爆破弱化方案的设计提供了理论依据。
- Pre-splitting blasting experiments were carried out to obtain normal pre-splitting blasting parameters such as hole diameter, hole space, gunpowder charge line density, and uncoupling factor. 通过大量的预裂爆破试验,得出了适用于该边坡的炮孔直径、炮孔间距、线装药密度、不耦合系数等一系列常规预裂爆破参数。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- A data medium that does not contain data other than a frame o f reference, for example, a pre-printed form, tape punched only with feed holes, a magnetic tape t hat has been erased. 一种不包括数据仅有参考结构的数据媒体。如预印格式、仅有中导孔的穿孔纸带、已清除的磁带等。
- That boxer is a prodigious feed. 那个拳击家是个大肚汉。
- Unwaged members pay a lower entrance fee. 无固定收入的人入场费从优。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔,以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- Cows and sheep depends forage to feed. 牛和羊依靠草料喂养。
- He can barely feed and clothe his family. 他勉强能给予全家人温饱。
- She charged only a nominal fee for her work. 她为所做的工作只收取象征性的费用。
- Stick your hand in and see what's in the hole. 把手伸进去,看看洞里有什么。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
- sprocket holes: Feed holes in paper tape. 刺轮孔:纸带上,引导纸带向前的小孔。
- The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
- The fee paid to a mint by a government. 铸币费政府支付给铸币厂的钱