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应用ＶＥ“动态不对称法”对离子感烟探测器降低成本的研究深圳市价值工程学会孙启霞，金宁南海石油深圳三江电子公司是由南海石油深圳开发服务总公司与辽宁无线电三厂合资兴建的生产和专营消防报警设备系列产品的公司。其常规产品ＪＴＹ－Ｌ２－８５１离子感烟探测器批量...
VE “Dynamic Asymmetry Method” is used to reduce the cost of ionized smoke detectors. Shenzhen Value Engineering Society Sun Qixia, Jinning Nanhai Petroleum Shenzhen Sanjiang Electronics Co., Ltd. is a joint venture between Nanhai Petroleum Shenzhen Development Services Corporation and Liaoning Radio III Factory. Companies that produce and franchise fire alarm equipment products. Its conventional product JTY-L2-851 ion smoke detector batch ...