第二项测试是将手表在潮湿环境下经历温度骤变，以确保手表玻璃内绝对没有冷凝水。
The following test takes it through wide temperature variations in a damp environment, to ensure the total absence of water condensation inside the watch glass.
第二项测试是将手表在潮湿环境下经历温度骤变，以确保手表玻璃内绝对没有冷凝水。
The following test takes it through wide temperature variations in a damp environment, to ensure the total absence of water condensation inside the watch glass.
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