在船舶电站中,对无分级卸载的发电机,过载保护动作电流可整定为额定电流的(),延时()。 ["125%~135%,15~20s","125%~135%,0.2~0.6s","110%~125%,15~20s","110%~125%,0.2~0.6"]
动脉出血的伤员首先的止血法是()。 ["指压止血法","加压包扎止血法","加垫屈肢止血","止血带止血"]
组成态度的三个认知成分为() ["情感成分","推理成分","行为成分","学习成分","意向成分"]
含脂肪较低的动物性食物是() ["猪肉","鱼肉","牛肉","羊肉"]
在Dreamweaver中所提供的查看和操作表格的方法,不包括以下() ["标准模式","扩展模式","活动数据模式","布局模式"]
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