yejingdengliziqubie.cn-亚洲va中文字幕无码毛片,老司机亚洲精品影院,亚洲欧美乱综合图片区小说区,久久久久无码精品国产

功能：安全眼鏡（工業眼鏡），焊接點、鏡框與鏡片密合等測試符合標準：ANSI Z87.1 EN166test for safety eyewear(industrial eyewear),welding point and the embedding of frame and lens.

功能：測試眼鏡結構接著點是否凝固與材料本身的抗垃力testing attachment of eyewear and tensile strength of material

功能：使用0000#鋼絲絨，一機兩用，可用鋼絲絨或鉛筆測試符合標準：QB2506-2001 QB/T2702-2005Testing by steel wool (using 0000#steel wool) or pencil

功能：測試鏡框耐燃程度符合標準：ISO/FDIS 12870 GB/T14214-2003

功能：測試彈簧腳的彈力與碟盤鉸鏈的松緊度testing the strength of Temple with Spring and tightness of housing

產地類別 國產 應用領域 文體,建材,電子,印刷包裝,綜合 銀宗汗液測試機（Sweat Tester）功能：溫度55℃5℃，歷經8小時30分鐘后，檢查眼鏡框樣本是否有斑點或顏色轉變符合標準：QB/T 14214-2003checking the spot or color changing of the frame sample at temperature of 55℃5℃ after the duration of 80.5 hours.