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The point-load tests were performed for the specimens of optical glass, arenaceous shale and sandstone.
做了光学玻璃、砂质页岩和砂岩等材料试样点荷载试验。
youdao
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The point-load tests were performed for the specimens of optical glass, arenaceous shale and sandstone.
做了光学玻璃、砂质页岩和砂岩等材料试样点荷载试验。
youdao