chelating agent preparation 螯合剂制备
guide agent preparation tank 导向剂配制罐
preparation agent 化纤油剂
complex coal preparation agent 复合选煤药剂
active agent root canal preparation 根管预备
preparation of purifying agent 净化剂配制
In the paper, the following Issues were discussed, such as the processing conditions of the matting agent preparation factors affecting results and so on. The optimum p...
本文对消光剂制备工艺条件，影响效果的因素等问题进行了讨论，提出最佳工艺及应用参考配方。
Was the correct and complete breakfast order served within 10 minutes of order, unless the waiter informed the agent of an expected delay (i. e. due to longer preparation times)?
除非客人被告知预期拖延(如：由于较长时间的准备)，正确完整的早餐点单可以在10分钟内完成吗？
The preparation of auxiliary tanning agent from chrome shavings has been studied in this paper.
本文对从铬革屑中提取胶原产物制备助鞣剂的方法进行了探讨。
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