make busy jack的意思|示意
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使忙碌的杰克
make busy jack的网络常见释义
闭塞按钮 ... 闭圈式电枢 closed coil armature 闭塞按钮 block button; block push button; make busy jack; make-busy jack 闭圈绕组 closed coil winding ...
make busy jack相关短语
1、 make-busy jack 闭塞按钮