| 释义 |
ammonium fluoride
基本例句
氟化铵
Never use chemicals such as hydrofluoric acid orammonium fluorideto clean Tourmaline because it can erode the stone.从来不使用化学物质如氢氟酸或氟化铵清洁电气石，因为它可以削弱石头。
Theammonium fluorideand ammonia closed cycle method for white carbon black production from dewaxed and deoiled waste clay.氟化铵和氨循环法从脱腊脱油废白土中制取白炭黑。 |