dead soft造句

a study on the mine pressure law on the dead soft blast layer working face
极软煤层轻放开采工作面矿山压力显现规律分析
dead soft cast iron
极软铸铁
dead soft steel
极软碳钢
it's a kind of dead soft-rock with some special characteristics of muddiness, softenness, dehydrate and rift etc when it meet water . however, the articles about the socketed piles in this stratum had not been discovered
昔格达组泥岩在四川境内的西昌、攀枝花地区分布较为广泛，该岩层具有遇水泥化、软化和脱水开裂等特征，属极软岩类。
It's difficult to find dead soft in a sentence. 用dead soft造句挺难的