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1·I got very surprised when she led me into an apartment building, which smelled like frying food, chemical cleaning sprays and incense!

我很吃惊，她把我带进了一幢充斥着油煎食品、化学清洁剂和熏香味道的公寓楼！

2·Cleaning methods have physical cleaning and chemical cleaning.

清洗的方法主要有物理清洗和化学清洗。

3·Chemical Cleaning of the PTMEG equipment of China Chemical International Co.

中化国际集团PTMEG装置化学清洗工程。

4·The general super filter device needs fixing pump and chemical cleaning device.

一般超滤装置需另配泵和化学清洗装置。

5·B. the whole system of sterilization alga processing and the organic chemical cleaning.

整个系统的杀菌灭藻处理和全有机化学清洗。

6·The steam and water systems are in good condition and no chemical cleaning is required.

蒸汽和水系统完好，不需要化学清洁。

7·This article describes the chemicophysical quality and cleaning mechanism of SE-chemical cleaning agent.

主要论述新型SE— 化学清洗剂的理化性能及清洗机理。

8·The chemical cleaning method of convection section tube for hydrogen manufacturing furnace was recommended.

介绍了制氢炉对流段炉管的化学清洗方法。

9·Properly selecting the boiler cleaning solvent is the best important procedure in the chemical cleaning program.

正确选择锅炉化学清洗介质，是确定化学清洗方案的关键环节。

10·This paper expounds tersely author's achievement and experience of chemical cleaning for boiler in last 48 years.

本文扼要阐述了作者48年来从事锅炉化学清洗研究与实践的业绩与心得。