空气冻结 air freezing
空气冻结法 air freezing method ; air freezing
空气冻结系统 air freezing system
冻原气候 [气候] tundra climate
空气冷冻机 air refrigerating machine ; cold air refrigerating machine
气流冷冻器 blast freezer
永冻气候 [气候] Perpetual frost climate ; climate of eternal frost
气压制动防冻液罐 Air brake antifreeze tank
低温蒸气式冷冻机 cold vapour refrigerator
气候与冰冻圈计划 Climate and Cryosphere
西北高寒干燥地区的碾压混凝土工程，由于引气困难，导致其抗冻耐久性得不到保证。
Freezeproof durability of roll compacted concrete engineering in northwest cold and dry areas can not be guaranteed because entrainment of air is difficult.
冻胶泡沫是由水、气、起泡剂（表面活性剂）、稳泡剂（聚合物）和交联剂组成。
The gelled foam comprises of water, gas foaming agent (surfactant), stable foam agent (polymer ) and cross-linking agent.
冻融条件下引气混凝土的多轴力学性能研究，目前尚处于初步阶段。
Experimental study on multiaxial characteristic of air-entraining concrete after freeze-thaw cycling is just in the initial stages.
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