The center line condition of the transmission shaft can be checked by()

A . the border flange’s excursion and flection B . the both end shafts line’s accordance C . the border flange’s flection and the both end shafts line’s accordance D . the border flange’s accordance and both end shafts flection degree

时间:2022-09-02 13:37:07 所属题库:船舶电气与船舶安全题库

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