简要介绍客车水暖系统及其优化设计过程。
This article simply introduces the principle of the water-heating system and its process of optimization design.
本文针对目前水暖系统中管道腐蚀现状及其危害进行了分析，并对工程的防腐及具体维护管理工作提出了具体措施。
This paper analyzes corrosion actuality and its harm in heating pipe, and brings forward anti - corrosion measure in maintenance work.
前者是全球金融系统的组成部分，后者则是全球管道、浴室配件及其他水暖器材的最大分销商。
The former is part of the plumbing of the global financial system; the latter is the world's biggest distributor of pipes, bathroom fittings and other plumbing paraphernalia.
前者是全球金融系统的组成部分，后者则是全球管道、浴室配件及其他水暖器材的最大分销商。
The former is part of the plumbing of the global financial system; the latter is the world's biggest distributor of pipes, bathroom fittings and other plumbing paraphernalia.
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