Boilermakers fabricate, assemble, erect, test, maintain and repair boilers, vessels, tanks, towers, heat exchangers and other heavy-metal structures.
锅炉工制造，组装，架设，测试，维护和修理锅炉，容器，储罐，塔器，换热器和其他重型金属结构。
The pollutant removal effect of ferric coagulant was researched by stirring jar test to remove trace phenol and heavy metal ions of Pb and Cd in Sungari River.
本文以松花江水为本底，以微量苯酚和重金属离子铅与镉为研究对象，通过烧杯搅拌试验，初步考察了高铁酸盐的除污染效能。
This article does some primary exploration about the resistance of plant to the heavy metal pollution, resistant test and the cost of resistance.
本文就植物对重金属污染的长期适应产生抗性、抗性试验技术及抗性代价几个方面的研究进行了简要论述和初步探讨。
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