A.90℃ B.105℃ C.110℃ D.120℃
A.10mm B.不大于5mm C.15mm D.20mm
A.定子绕组 B.定子铁芯 C.转子 D.轴承
A.50W B.25W C.20W D.10W
A.4倍 B.3倍 C.1.5倍 D.1.8～2倍
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