roadbed of frost soil area 冻土地区路基
frost in the soil 土壤结冰
Soil-lifting frost [地质] 冻拔
frost desert soil [土壤] 寒漠土
frost-active soil 冰冻作用土层
霜使土壤凝结。
The Onions too, once sprouted have ground to a halt, encrusted in frost, perched on the frozen soil.
洋葱也是，一旦发芽就停下来，在霜中长壳，栖息在霜冻的土中。
The driving force of moisture migration in soil is the key of discussing the mechanism of freezing ice and frost heave and the stress of freezing soil.
土中水分迁移的动力势问题是探讨水分迁移成冰机理以及研究冻胀、冻土内应力等冻土工程问题的关键所在。
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