Metallic random packings include Conjugated rings,VSP ring,Intalox saddles,Twin curved saddles,HQM flat ring,Cascade ring and Pall ring.

 
  • 金屬散堆填料有共軛環(huán);八四內弧環(huán);矩鞍環(huán);雙弧環(huán);扁環(huán);階梯環(huán)和鮑爾環(huán)等.
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目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan