Fixed-seal & rotational-seal are made of various msterials, SIC, Carbon, Ceramic and can withstand various chemicals.

  • 固定环 及 转动环由各种不同材质, SIC, 碳素, 陶瓷制成,可承受各种不同的化学药水.

  • 互联网摘选 2025-01-19 10:47:01

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