electromagnetic vibration造句

a number of electromagnetic vibration exciters of a large size have been produced for vibration testing in the aircraft and missile industries .
为了进行航空及导弹工业的振动试验，已经建造了若干大型电磁式激振器。
test and study of a small electromagnetic vibration feeder
小型电磁振动给料器的试验研究
the relevant theories of micro electromagnetic vibration power generator are studied
较深入地研究分析了微型电磁式振动发电机的拾振相关基础理论。
It's difficult to find electromagnetic vibration in a sentence. 用electromagnetic vibration造句挺难的