关于涂层处理? 探讨一下: sp-6是美国防护涂料协会(the society for proctective coatings)的标准。 这种标准所属的列别是sspc,即 steel structures painting council sp2 hand cleaning sp3 power tool cleaning sp5 blast cleaning to “white” metal sp6 commercial blast cleaning sp10 blast cleaning to “near white” metal dft是dupont fabros technology inc.在交易所的代码。查看更多