brass 原文：The barometer(brass scale) also at 21.1℃ reads 74.19 cm _英语解答

brass
原文：The barometer(brass scale) also at 21.1℃ reads 74.19 cm of mercury.

人气：403 ℃　时间：2020-03-24 00:48:23

解答

我觉得是指铜板刻度,就是气压计表盘的刻度.