Pfm
abbr. power factor meter 功率因数计
🗣️ 情景例句
Good idea.
好主意。
Great minds think alike.
英雄所见略同。
From the shore line, out to a distance which may be anywhere from a few miles to a few hundred miles,
从海岸线向大海延伸几英里到几百英里的区域是大陆架慢坡，