基本解释掏槽落煤法同根派生 英汉例句Application of Long-Angle and Short-Edge Wire in Thirling Measure 长角短边导线在贯通测量中的应用Grasping the Key Links in Roadways Thirling to Prevent the Occurences of Methane Accidents 把住巷道贯通的关键环节防止瓦斯事故发生thirlv. 穿孔;钻孔;开掘联络巷道