Main component or ingredients, main raw material. For chemicals, commodity name, scientific name, molecular formula should be noted; For composite products, the components of module, structure should be noted.是什么意思_Main component or ingredients, main raw material. For chemicals, commodity name, scientific name, molecular formula should be noted; For composite products, the components of module, structure should be noted.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句