其次，文章以实船“艾丁湖”为模拟改造对象，论证了当该轮采用加热法处理压载水时的压载水系统和冷却水系统管路改造的可行性。

Thirdly, the paper makes "Adin Lake" ship as the reconstructive object and analyzes the feasibility of rebuilding the pipeline of ballast water system and cooling water system.

youdao

介绍了引进硫酸精制装置中玻璃管路密封件以及高压柱塞泵密封结构的改造。

The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.

youdao

列举了工厂技术改造实例，详细说明了用波纹管技术可有效解决压缩机组管路法兰泄漏问题。

Examples of technical improvement are listed. Pipeline flange leakage of compressor unit can be effectively solved by bellows technology is described in detail.

youdao