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含煤岩系
释义
含煤岩系
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理学
含煤岩系
释
coal-bearing strata
含煤岩系
一套在成因上有共生关系并含有煤层(或煤线)的沉积岩系。又称含煤沉积、含煤地层、煤系、含煤建造等。
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risk early warning
risk early-warning for tunnel and underground engineering
risk early warning information system
risk emergency treatment plan for tunnel and underground engineering
risk estimation of tunnel and underground engineering
risk evaluation method of tunnel and underground engineering
risk evaluation of blasting
risk evaluation of tunnel and underground engineering
risk exposure
risk factor
risk factors of cancer
risk financing
risk function
risk identification
risk identification for immersed tunnel
risk identification for tunnel construction by cut and cover method
risk identification for tunnel construction by drilling and blasting method
risk identification for tunnel construction by shield machine method
risk identification for tunnel construction by tunnel boring machine
risk identification of biological invasion
risk identification of information system project
risk identification of tunnel and underground engineering
risk level of agrometeorological disasters
risk likelihood of tunnel and underground engineering
risk loss
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