marine construction materials的意思|示意

In this paper, I study the construction features of Marine engineering products, and describe how to use the batch management to supervise the materials.

本文通过研究海洋工程项目的建造特点，阐述了如何使用批次管理方法对海洋工程物资进行管理。

Meanwhile, it presents frame construction of Marine reference materials as well as relative Suggestions and countermeasures.

同时提出了海洋标准物质体系的框架结构和相关建议与对策。

Article 49 materials containing radioactivity in excess of standards or materials containing toxic and harmful substance easy to dissolve in the water may not be used in a Marine construction project.

第四十九条海洋工程建设项目，不得使用含超标准放射性物质或者易溶出有毒有害物质的材料。