pattern shot holes 炮井组合
N a drilled hole into which explosive is put for blasting 爆破井; 炮眼
他指出我的论据中的漏洞。
There should be a large proportion of good two-shot holes, two or three drive-and-pitch holes, and at least four one-shot holes.
在设置球洞时，应该设置大量的两击球洞、两到三个包含木杆击球和劈杆击球的球洞、和至少四个一击球洞。
Improve stemming quality. By stemming the shot holes with machine-processed stem-soil, the explosive energy utilization ratio rises and 10% explosive are saved.
改善堵塞质量，通过采用机械加工的炮泥堵塞孔口，使爆炸能量利用率提高，节省了10 %的炸药消耗。
应用推荐