sodium freeze-up钠冻结
listenth freeze-up炉缸冻结
juxtaposed freeze-up冰期
freeze-up duration封冻历时
heskillh freeze-up炉缸解冻
freeze-up forecast冻结预报
hearth freeze-up炉缸冻结;炉缸解冻
flat freeze-up平封
Ice Freeze-up[水文] 冰封冻;冰塞