题目内容

三相三线接线方式如有一相电流反接,在相量图上Iu和Iw的夹角应为120°。( )

A. 对
B. 错

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Instead, he immediately became an electrician after high school, working as an _______ and eventually becoming a journeyman.

A. apprentice
B. teacher
C. worker
D. expert

To accomplish his own end, he placed ______ interests in the back of his mind.

A. individual
B. partial
C. collective
D. whole

This ______ embroidery won people's great admiration.

A. ordinary
B. normal
C. common
D. exquisite

Sweet dumpling is small dumpling balls made of _______ rice flour with rose petals, sesame, walnut meat, dried fruit, sugar.

A. smooth
B. flat
C. dry
D. glutinous

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