返回首页 返回单词点读 锅打灰太狼 女生头像清纯 车牌号码及归属地 周朝历史 晋书 蔬菜篇 学习Python2.x 学习Redis
n.试金;分析试验
动词assay的现在分词形式.
The determination of gold in alloy gold of low fineness by traditional fire assaying was studied in this paper. 研究了用传统的火试金法测定低成色合质金中的金。
The testing person is doing physics and chemistry assaying. 化验人员在做理化分析试验。
小库网-温馨提示