A.扭轉(zhuǎn)檢查B.按壓檢查C.噴油檢查D.專用工具檢查
A.滑環(huán)磨損B.轉(zhuǎn)子軸彎曲C.勵(lì)磁繞組短路D.勵(lì)磁繞組斷路
A.自由長度B.彈力C.偏移量(傾斜)