tilted gold-leaf electrometer

例句：

1. 1.The tilted gold-leaf electrometer was used to measure the density of the liquid.
   倾斜的金箔电表被用来测量液体的密度。
2. 2. The gold-leaf electrometer detected a small amount of mercury in the sample.
   金箔电表检测出样品中微量汞。
3. 3. The gold-leaf electrometer was used to check the purity of the gold samples.
   金箔电表被用来检验黄金样本的纯度。