例句與造句

1. Then the speed regulating pole change motor is designed based on the pole - changing principle
   根據(jù)變極原理設(shè)計(jì)了螺桿泵用變極調(diào)速電動(dòng)機(jī)。
2. Using two pole - pair slot - number phase graph to design two - layer pole - changing windings with far pole ratio
   用雙極對(duì)槽號(hào)相位圖設(shè)計(jì)雙層遠(yuǎn)極比變極繞組
3. It's difficult to find pole-change in a sentence. 用pole-change造句挺難的