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【多选题】
以下有关钻机 摩擦离合器特点 的描述中哪些属于湿式摩擦离合器A.
摩擦片工作于油浴中。
B.
摩擦片为铜片。
C.
摩擦系数稳定，结合平稳，动载荷小。
D.
摩擦片工作条件好，磨损小，寿命为干式的5~6倍。
E.
摩擦系数小，只有干式摩擦片的1/3~1/4。
F.
由于摩擦片数多，摩擦面压大，扭矩相同时，径向结构尺寸小。
G.
工作条件要求高，结构复杂，调整不便。
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举一反三
【多选题】下列各项中,符合个人独资企业特征的有( )。
A.
个人独资企业是由一个自然人投资的企业
B.
投资人对企业的债务承担无限责任
C.
个人独资企业内部机构设置简单
D.
个人独资企业是法人企业
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A.
Because it may be regarded as something offensive to women.
B.
Because he doesn’t have to pay the bill if he’s broke.
C.
Because going Dutch is the most important tradition.
D.
Because they haven’t known each other’s name yet.
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A.
didn’t
B.
haven’t
C.
hadn’t
D.
shouldn’t
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