本公司职员经验丰富，对于美国所有室内给排水设施、供暖系统和工业产品非常熟悉。
The company has an experienced staff that has a good knowledge of all American plumbing, heating and industrial supplies.
还分析了地震对室内外给排水设施可能造成的影响。
Moreover, it analyzes the effect of earthquake to outdoor and indoor water supply and drainage equipments.
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