下列不属于三专两闭锁中三专的是_______。 -题库考试答案搜索网

下列不属于三专两闭锁中三专的是_______。

单选题

2021-09-01 22:49

A、专人管理
B、专用电缆
C、专用开
D、专用变压器

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正确答案

A

试题解析

标签：联大河南理工大学矿井通风与安全课程设计

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