As to aurum board, adopt soft-brush (above 394t) and saturated in citrate acid or spraying for pre-treatment.

对于金板，前处理可采用软磨刷(1000目以上的磨刷)和柠檬酸浸泡或喷淋的方式。

Ores consist of pyrite blende aurum zinckenite tennantite antimonite realgar and orpiment belong to typical low-temperature minerals assemblage .

矿石由黄铁矿、闪锌矿、自然金、辉锑铅矿、砷黝铜矿、辉锑矿、辉锑银铅矿、雄黄、雌黄等组成，为典型的低温热液矿物组合。

Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.

那就选拉丁文吧，用于学术的语言，所以，iron就变成了Fe，表示铁元素,铅变成了，Pb，表示铅元素,金变成了Au，表示金元素，等等。

Ores consist of pyrite, blende, aurum, zinckenite, tennantite, antimonite, realgar, and orpiment, belong to typical Low-temperature minerals assemblage.

矿石由黄铁矿、闪锌矿、自然金、辉锑铅矿、砷黝铜矿、辉锑矿、辉锑银铅矿、雄黄、雌黄等组成，为典型的低温热液矿物组合。