ring of caution 中文意思是什麼
ring of caution
解釋
謹慎指環-
Ningbo senyong electronic technology co., ltd specializes in the production of movable - ring telephone receivers, automatic swithing devices for vehicle - mounted mobile phone, multi - purpose tripod caution lamp, information telephone sets and business telephone sets
寧波森永電子科技有限公司專業生產各種規格、型號的動圈式受話器;車載手機轉接器;多功能三角警示燈;來電顯示電話機、信息電話機、商務電話機。
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