bark gauge

例句：

1. 1. To determine the health of the trees, we need to measure their bark thickness regularly.
   为了确定树木的健康情况，我们需要定期测量它们的树皮厚度。
2. 2.The barometer is used to measure the atmospheric pressure and humidity in different regions.
   气压计用于测量不同地区的大气压力和湿度。
3. 3. The bark gauge was used to monitor the growth of the young trees during the construction phase.
   使用树皮计监测建设期间幼树的生长。