英语翻译1 Before disposing of unwanted,opened,uncontaminated che

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/10 17:38:17

英语翻译
1 Before disposing of unwanted,opened,uncontaminated chemicals check with others in your department or laboratory who may be able to use them.
2 Use only the amount of material that is needed for conclusive results.
3 Order only the amount of material needed for the project or experiment.

1.在丢弃你不要了的、已经打开的但未经污染的化学物质之前,先问问系里或实验室里的其他人需不需要这些东西.
2.只取用为了得到结果所需要量的材料.
3.只订购计划或者实验所需要量的材料.

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