英语语法分析

The test results of evaluation and application of sulfosalt EP additive are showed, at the same time its action mechanism is described aslo.

文中给出磺酸盐极压剂评定及应用试验结果，对该剂作用机理作了简介。

The main metallic mineral is specularite containing native gold and electrum. Surbordinate minerals are pyrite, chalcopyrite siderite and a very small amount of sulfosalt.

金属矿物较简单，主要为镜铁矿含自然金和银金矿，次为黄铁矿、黄铜矿、菱铁矿和微量硫盐。