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【多选题】
气缸盖螺栓在拧紧时必须:A.
分几次均匀拧紧
B.
按规定扭矩拧紧
C.
由中间往两边的对称均匀地拧紧
D.
拧紧就可以
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】酒水的功能和作用有（）、（）、（）、（）。A. 医疗保健作用、交际礼仪作用、情感宣泄作用、去腥调香作用
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A.
掌握功能障碍和困难情况
B.
为制定训练计划提供客观依据
C.
为选择适宜训练项目和判定训练效果提供客观依据
D.
以上皆是
E.
以上皆不是
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A.
has married
B.
has been married
C.
had married
D.
had been married
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A.
Mr. John Dashwood
B.
Mr. Palmer
C.
Mr. Henry Dashwood
D.
Sir. John Midleton
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