stainless steel plastic composite pipe
...不锈钢塑料复合管；建筑冷热水系统；水力计算；导流三通接头[gap=664]Keywords: nano-antibiotic; stainless steel plastic composite pipe; building hot and cold water supply systems; hydraulic calculation; guided-infl..
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stainless steel plastic composite pipe
不锈钢塑料复合管
以上为机器翻译结果，长、整句建议使用 人工翻译 。