A mechanical davit is designed to automatically（）. ["position the boat at the embarkation station","lift the boat off the inboard chocks","energize the winch for the falls","set the brake on the winch"]
直流屏如何操作？
变压器的电导参数主要决定于实验数据（）。 ["短路损耗","空载损耗","短路电压百分比","空载电流百分比"]
计时薪酬制的适用条件有哪些？
通常同步发电机接在线路首端，它的额定电压为电力线路额定电压的（）。 ["1.05倍","1.0倍","1.1倍","1.15倍"]
导游小韩带团去泰国旅游，在出境前导游未对游客讲解有关风俗和禁忌，一游客参与了街头的扑克赌博，结果被当地警方处以重罚，并驱逐出境。请问小韩的工作中有哪些疏忽之处，此类事件应该如何预防？
