pit signal 中文意思是什麼
pit signal
解釋
報靶信號-
Code for design of under pit train trarnsportation signal of coal mine
煤礦井下機車運輸信號設計規范 -
Scope of application : this product is suitable under the mine pit exchanges the rated voltage is 450 / 750v and in following power distribution equipment electric appliance measuring appliance makes the control signal protection and survey
產品用途:本產品適用於礦井下交流額定電壓為450 / 750v及以下配電裝置中的電器儀表作控制信號保護和測量。
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