wet-bulb thermometer
柯林斯词典
1. N a thermometer the bulb of which is covered by a moist muslin bag, used together with a dry-bulb thermometer to measure humidity 湿球湿度表
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1. N a thermometer the bulb of which is covered by a moist muslin bag, used together with a dry-bulb thermometer to measure humidity 湿球湿度表