皮皮学，免费搜题
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搜题
【单选题】
能增加血浆胶体渗透压和循环血量的溶液是什么:A.
．5%GS
B.
0．9%NaCl
C.
低分子右旋糖酐
D.
50%GS
E.
10%GS
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皮皮学刷刷变学霸
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【单选题】套类零件的加工特点，按精度要求而定。作为配合的孔，一般都有较高的（）精度。
A.
尺寸、形位、表面粗糙度
B.
尺寸、形状、和表面粗糙度
C.
尺寸、位置、表面粗糙度
D.
形状、位置、和表面粗糙度
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