And it also introduces the basic principle and structure, operation and maintenance, common problems, troubleshooting and solutions of MZE-630 automatic submerged arc welding machine.
介绍了MZE - 630埋弧自动焊机的基本原理与结构，焊机操作与维护，焊机常见故障、产生原因和排除方法。
The results of the operation showed that the two-stage, submerged membrane bioreactor helped the growth of the energy-rich worms and reduced the yield of sludge.
运行结果显示，二段淹没式膜生物反应器能够增强高能级生物体蠕虫生长与少产污泥的目的。
Submerged arc operation is significant for reducing consumption of energy, materials as well as improving kinetic condition of de-oxidation and desulfurization to lf.
LF埋弧操作对于节能降耗和改善脱氧、脱硫动力学条件具有重要意义。
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