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二次支护
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二次支护
Encyclopedia
工学
巷道支护
释
secondary support
二次支护
井巷掘进中采用分次支护时,在一次支护完成后再次施工的支护。又称永久支护、后期支护。
理学
地下工程支护
释
secondary support
二次支护
在初期支护稳定后完成的提供安全储备或承载后期围岩压力的支护形式。
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low voltage differential signal
low voltage differential signal, LVDS
low voltage on load switch
low voltage positive emitter-coupled logic
low voltage positive emitter-coupled logic, LVPECL
low voltage ride through of wind poewer plant
low voltage ride through test system for wind turbine
low voltage switchgear cabinet
low voltage transistor-transistor logic
low voltage transistor-transistor logic, LVTTL
low volume load pavement
low vowel
low vulnerability explosive
low vulnerability gun propellant
low vulnerable solid propellant
low water
low yield point steel
low-z galaxy
low-z quasar
LOX
LOX-augmented nuclear thermal rocket engine
loxocosm
loxodrome
loxodrome curve
loxodromic
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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