皮皮学，免费搜题
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【简答题】
三位滑阀中位为 H 型机能的特点是: 系统 能 卸荷,换向精度 ,启动 , 浮动。
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】_____ she was no more than twenty-two, she was already a highly successful business- woman. [ ]
A.
Though
B.
Once
C.
Because
D.
Since
【单选题】She’s already two hours late. What ______ to her?
A.
can have happened
B.
may have happened
C.
should have happened
D.
must happen
【单选题】短暂性脑缺血发作肝肾阴虚、风阳上扰证的中医治法是
A.
平肝息风，育阴潜阳
B.
补气养血，活血通络
C.
豁痰化瘀，通经活络
D.
养阴通脉，益气活血
E.
化痰开窍，清热醒神
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