| 释义 |
economical of短语⁶⁹⁰⁸⁷
基本例句
节省
In the process of paper making, Roots vacuum- pump is the equipment used to bring about vacuum in the paper machine, It has rapid flow rate, less noise, and it is economical of energy.
在造纸生产过程中，罗茨泵是造纸机形成真空的工艺设备。它抽速大、噪音小、节能效果明显。 cnki
The proposed method does not involve power interruption and is economical of transformation time and expenses.
应用该方法不需要停电施工，改造时间短，改造费用低。 cnki |