English translation for "钢砂钻具；钻粒钻具"

shot drill

Similar Words：

"钢砂混凝土" English translation, "钢砂轮砻谷机" English translation, "钢砂磨粒" English translation, "钢砂钻进" English translation, "钢砂钻井" English translation, "钢砂钻孔" English translation, "钢砂钻探" English translation, "钢筛钠筋混凝土砌壁" English translation, "钢闪石" English translation, "钢上建材" English translation