drop in pressure

• 压力降低

drop in pressure的用法和样例：

例句

1. The steam pressure falls on account of condensation in the cylinder.
   由于汽缸里的冷凝作用，蒸汽的压力降低了。
2. The government has surrendered to pressure of big business and lowered tax rates.
   政府屈服于大商业的压力降低了税率。