极数 [
jí shù]
number of poles
- 由于“九”是个极数,所以,中国人认为碰到“九”不吉利。
Because nine is an extreme number, Chinese have the saying that it is inauspicious to run across nine. - 在设计与计算过程中需要综合考虑2种极数下电机性能的特点。
During the course of designing and calculating, motor performance and characteristice in two numbers of poles should be considered. - 用户订货时,须注明配电箱的回路数,各回路相应的电流数,以及断路器的极数等等。
The user shall indicate circuit and its relative current,number of CB pole,etc.
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