盐分会使水的冰点降低，这使得我们可以认为，这些暗色的、像手指一样的特征是由液体的侵蚀造成的。
Salts also would suppress the water's freezing point, making it plausible that the dark, finger-like features were carved by liquid.
是因为食盐将水的熔点和冰点降低了。
探讨采用降低消防用水冰点达到防冻效果的可能性。
The feasibility to reduce the ice point of firewater for freezing protection is discussed.
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