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【多选题】
影响金属材料可锻性的主要因素有( )。A.
化学成分
B.
锻造工序
C.
锻件大小
D.
塑性
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皮皮学刷刷变学霸
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【简答题】在粘度等级相同的情况下,使用质量高级别的润滑油比使用质量低级别的润滑油,发动机将 换油周期。
【单选题】When may a woman start her nevirapine-based treatment if she gets the single dose of nevirapine at delivery?
A.
She may start nevirapine-based treatment soon after her delivery.
B.
She may start nevirapine-based treatment within six months after her delivery.
C.
She has to wait at least six months after that nevirapine exposure.
D.
She may wait several years so as to achieve the best effect.
【单选题】AIDS treatment programs may also result in ___.
A.
better drugs
B.
lower yearly cost
C.
more effective prevention
D.
greater emphasis on treatment
【简答题】在粘度等级相同的情况下,使用质量高级别的润滑油比使用质量低级别的润滑油,发动机将 磨损。
【简答题】在粘度等级相同的情况下,使用质量高级别的润滑油比使用质量低级别的润滑油,发动机将 燃油经济性
【简答题】 treatment programs may also result in
【简答题】More health care may lead to undesirable medical results because receiving treatment in hospital itself involves risks like unpredictable complications.
【简答题】Treatment for cancer may also bring about some
【简答题】在粘度等级相同的情况下,使用质量高级别的润滑油比使用质量低级别的润滑油,发动机将 磨损。
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