欧美人交性视频在线香蕉,狠狠躁天天躁无码中文字幕,男人的天堂AV一区二区

寧波科誠儀器有限公司,主營產品:色差儀,分光測色儀,臺式分光測色儀,光澤度計,對色燈箱,管道泄漏查漏儀,鹽霧試驗機,矽鋼片鐵損測量儀,材料拉力試驗機,光譜儀,影像儀投影儀,三坐標,粗糙度儀,漆包線檢測儀器,激光測徑儀,測厚儀,探傷儀,推拉力計,扭矩測試儀,彈簧拉壓試驗機,金相實驗設備,硬度計等。一.色彩類檢測:彩譜：色差儀:CS-10,CS-200,CS-210,CS-220,CS-260,CS-280；便攜式分光測色儀:CS-580,CS-600,CS-610,CS-650,CS-660；臺式分光測色儀:CS-800,CS-801,CS-810,CS-820；光澤度計:CS-300,CS-380。美能達：色差計:CR-10plus,CR-20,CR-400/CR-410；便攜式分光測色儀:CM-2300d,CM-2600d/CM-2500d,CM-700d/CM-600d,CM-2500...