้ซๅฅ้็งๆๆ้ๅ ฌๅธ โ ๅฐ็ฃๅทฅๆฅญ้่จ่ฝๆๅจไปฅๅๆธไฝ่ผธๅ ฅ/่ผธๅบๅ้กๆฏ่ผธๅ ฅRS-485ๆจก็ต็ญ็ขๅ manufacturing / corporate Theme: hello-elementor Plugins: download-manager | elementor | elementor-pro Language: ๐น๐ผ ZH-TW Colors: