1.化学成份分析。以确保化学元素符合的翻译：1. chemical composition analysis. To ensure that chemical elements meet 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

1 Chemical composition analysis. To ensure that the chemical elements in line with

1. chemical composition analysis. To ensure that chemical elements meet

1. chemical composition analysis.Guarantees the chemical element to tally

1.chemical composition analysis. In order to ensure compliance with intergalactic

1. chemical composition analysis. To ensure that chemical elements meet