某厂常减压蒸馏装置的实际应用结果表明了该方法的有效性。

The application results in a crude unit show that this method is valid.

youdao

某厂常减压蒸馏装置的实际应用结果表明了该方法的有效性。

The application results in a crude unit show that this method is valid.

youdao