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超前支护
在极破碎岩层或不稳定第四系地层中掘进井巷时,为保证掘进作业正常进行并预防工作面发生坍塌,在开挖之前或超前于掘进工作面采取的预先加固措施。
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forepoling
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采用敷设钢筋、钢管或注浆等方法向隧道及地下工程施工开挖面前方施作的一种稳定开挖面及周边岩体的辅助支护措施。又称预支护或超前预支护。
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reliability critical item
reliability degradation model
reliability demonstration
reliability design
reliability design criteria
reliability development test
reliability economics of electric power system
reliability enhancement testing
reliability equivalent
reliability evaluation
reliability function
reliability growth
reliability guideline for power system
reliability importance measures
reliability index
reliability index of structural
reliability level
reliability management
reliability model
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reliability of aerospace integrated circuits
reliability of electric apparatus
reliability of electronic packaging
reliability of interconnected systems
reliability of internal combustion engine
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