主要叙述了省煤器的磨损机理。 对省煤器的设计，安装与运行提出防磨建议与要求。

Description of the principle on the wearing of economizer, and the suggestions & requirements for the design, installation and operation are cited.

youdao

他也建议用谦卑的态度提出你的要求，并且在你与上司谈话之前多做几次练习。

He also suggests presenting your case in a humble manner and rehearsing several times before you actually have the conversation.

youdao

我想，首先会要求取货人出示装运时的查验报告，假如他们不能出示，我建议他们去与寄货人交涉。

I think, first of all, I will ask the consignee to produce survey report on loading, if they can't produce that I suggest them to refer the case to their shipper.

youdao