试题与答案

起升机构每一套独立的驱动装置,至少要装设一个支持制动器,支持制动器应是常闭式;必须能

题型:判断题

题目:

起升机构每一套独立的驱动装置,至少要装设一个支持制动器,支持制动器应是常闭式;必须能持久地支持住额定起重量,而且必须装在与传动机构刚性联接的负载轴上。

答案:

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