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煤层底板
释义
煤层底板
Encyclopedia
理学
煤炭地质勘查
释
floor of coal seam
煤层底板
在正常顺序的含煤岩系剖面中,直接伏于煤层下面的岩石。
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Shull, Clifford Glenwood
Shult
Shumann resonances
Shu Miao
Shumu Dawen
Shun
Shunchang Xian
Shuncheng Qu
Shunde Museum of Foshan
Shunhe Huizu Qu
Shunhua historical buildings
Shunji Iwai
Shun-Kin
Shunkinsho
Shunling Mausoleum of Tang Dynasty
Shunqing Qu
shunt
shunt arm
shunt capacitor
shunt capacitor group connection
shunt dynamo
Shuntianfu Local Chronicles
Shun Tian Shi Bao
shunting operation
shunting operation plan
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