国产成年视,国产成年无,国产成年无码视频,国产成年一级电影,国产成人a∨,国产成人AV,国产成人AV在线,国产成人A片

大流量耐酸工業(yè)自吸泵
該泵是釆用FEP、PVDF、PP、PVC等氟塑料制造而成，耐酸、耐堿、耐強(qiáng)氧化劑等多種腐蝕性介質(zhì)，工藝獨特，性能優(yōu)良，具有理想的使用壽命，可取代各類耐腐液下泵、襯氟泵。
It is made from fluoroplastics like FEP, PVDF, PP and PVC and can deliver various caustic medium like acid-resistant, alkali-resistant and strong oxidizing agent, etc. It has special craft, good performance and ideal service life, and can replace various anti-corrosive submerged pumps and fluorine pumps.