the economical quality
英
美
- 经济性
双语例句
- The steam turbine is less economical at cruising speed.
汽轮机的巡航经济性较差。 - Only young magma intrusions contain the amount of heat necessary for the heat supply of an economical geothermal field.
只有年青的岩浆侵入体才能拥有一个经济性地热田热补给所必需的热能。
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