Testing study is made on the basic mechanical property of thenardite salt rock,which includes uniaxial compressive,indirect tensile and angle changed shear tests.
通过试验,发现无水





软
,强度较低,变形较大。
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故事
人 Science and technology
人 Science and technology Rescue efforts were underway Thursday morning for 17 miners who were stuck in an elevator below ground at a Cargill rock salt mine near Lansing, New York, according to Marcia Lynch, Public information officer with Tompkins County’s Emergency Response Department.
周四
午,在纽约州兰辛附近的嘉吉岩盐矿中,有17名矿工被困在
地下电梯,救援工作正在进行当中。这是汤普金斯县紧急情况部门一位名叫玛西亚•林奇的公共信息官员透露的。