PA PP PVDF PVC PPS 供应现货各种塑料螺丝
PP PVDF PFA 聚偏氟乙烯聚丙烯煤灰
PA PP PVDF 巴勒斯坦权力机构聚丙烯聚偏二氟乙烯
PP PVC CPVC PVDF 塑料拉西环
PP PVC CPVC PVDF PE 塑料阶梯环填料
PP RPP PVC CPVC PVDF 泰勒花环填料
Thermoplastics valves - Pressure test methods and requirements - Part 2: test conditions and basic requirements for PE, PP, PVC-U and PVDF valves.
热塑性塑料阀门。压力试验方法和要求。第2部分:聚乙烯、聚丙烯、未增塑聚氯乙烯和聚偏氯乙烯阀门试验条件和。
Made of PP, PVC, CPVC, PVDF, stainless steel, titanium, they are corrosion resisting and have reasonable structure, both increase yield and decrease workers' Labour intensity.
用PP, PVC, CPVC, PVDF,不锈钢,钛制作,耐腐蚀。结构合理,既可增加产量,又减轻工人劳动强度。
On the first magnetic switch material, using PVDF, PP material, the material benefits that can be resistant to acid and alkali sites;
首先关于磁性开关的材质,采用PVDF、PP材质,这种材质的好处就是可以耐强酸、强碱场所;
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