国产精品尤物福利片在线观看_中文字幕网址在线_欧美日韩亚洲综合一区二区三区_国产三级精品三级在线观看_欧美一区激情视频在线观看_欧美日韩黄色大片_黄色av网址在线观看_亚洲成人av中文字幕_久久久久久久久毛片_精品五月天久久_日本黄色网址大全_亚洲一区二区三区四区五区黄

■鹽水噴霧試驗乃針對各種材質之表面處理，包含涂料、電鍍、無機及有機皮膜、陽極處理、防銹油等防蝕處理后，測試其制品之腐蝕性。

■The salt spray corrosion tester is used to test the corrosion resjstance of all kinds of maetals whether plated or organic coated or inorganic coated by exposiong atomized salt solution.Check if the specimen has the conditions of denting rusting,cracking or blister after test.