常見例句雙語例句It describes the test and operation of zinc sulfate solution purification by antimony trioxide instead of arsenate.介紹硫酸鋅溶液由砷鹽淨(jìng)化改爲(wèi)銻鹽淨(jìng)化的試騐及生産實(shí)踐情況。 返回 zinc arsenate