Lacking an outlet, the Caspian Sea loses water only by evaporation, leading to the accumulation of salt.
由于没有排水口，里海的水量流失只能依赖蒸发，这也造成湖水中盐的积聚。
Avoid areas where salt or other corrosive materials are present. Valve protection caps and valve outlet seals should remain on cylinders not connected for use.
避免储存在有盐或其它腐蚀性材料的地方。不使用时，阀门保护帽和阀门排气口密封应保持在钢瓶上。
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