supplemental

a business letter with a supplemental enclosure.

带有补充附件商业信函

The optical rotation detector was a perfect supplemental tool for chiral chromatography,which could provide the right information about dextrorotatory and levorotatory enantiomers.

与单纯紫外检测器,光检测器可方便地得到手性对映体左或右特性。

Shanghai KoBo is one provider focused on high grade ironware and metal products in vessels. We play important role in the supplemental service of shipbuilding industry with rich experience.

上海康博五金制品有限公司，是一家生产销售高级船用五金专业企业，长期为中外船舶行业配套服务。