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问题:

[多选] 交直流接触器的差别可从以下哪几部分判别()。

A . 短路环
B . 铁心
C . 线圈匝数
D . 线圈线径
E . 触头形式
F . 接触器结构

A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?(). A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable。 A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable。 A vessel shall avoid proceeding along the channel because it is not safe and practicable。 A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable。 申请考核单位应当在《计量标准考核证书》有效期届满六个月前向主持考核的计量行政部门提出计量标准的复查考核申请。() 农信银专项汇款支持的账户类型为()。 A.银行卡。 B.个人储蓄账户。 C.个人结算账户。 D.对公支票户。 船舶发生大范围火灾后,发现者的行动首先是立即灭火。 在基站中必须要接地的设备有()。 开关电源。 交流配电箱。 电涌保护器。 走线架。 交直流接触器的差别可从以下哪几部分判别()。
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