Deck machinery, which is also known as hull machinery, includes all power driven equipment located ()the machinery spaces that is () with the main propulsion plant.
A. inside;associated
B. inside;not associated
C. outside;associated
D. outside;not associated
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患者腰痛以疫软为主,喜按喜揉,腿膝无力,遇劳更甚,卧则减轻。治疗应选用()
A. 牛膝
B. 桃仁
C. 红花
D. 郁金
E. 鸡血藤
质量评审中B1类缺陷对于用户的影响为()。
A. 整车不能使用
B. 整车必须进行修理
C. 用户计划将此缺陷消除
D. 用户对质量
下列用于股骨头无菌性坏死的核医学检查中,哪种检查受膀胱显影的干扰较小()。
A. 骨显像
B. 骨断层显像
C. 骨三相
D. 放射性胶体骨髓显像
E. 以上均不正确