After full theoretical analysis and experimental research, high-pressure steam jet can not only improve the quality of heavy oil insulatedpipe cleaning, and no environmental pollution.
经过充分的理论分析和实验研究，高压蒸汽射流不仅可以提高稠油隔热管的清洗质量，而且对环境没有污染。
2
When the insulated powder pass through the metalline pipe, both generate electrites of egualize in magnitude and opposite symbol.
绝缘粉末通过金属管导时，两者带上等值异号电荷。
3
The discharge pipe shall be insulated, otherwise may cause the condensate dripping of discharge pipe.