2022-01-11 
供應信息 - Admission Abangalore - 國際網路 - Admission at RV coll - 203.189.249.*
The Admission at Bangalore Website is the most attractive Website for those planning to get admission in some of India's reputed educational institutions. This Website provides the student with a lot ...(92/1)
2022-01-11 供應信息 - Admission Abangalore - 國際網路 - Admission at RV coll - 203.189.249.*
The Admission at Bangalore Website is the most attractive Website for those planning to get admission in some of India's reputed educational institutions. This Website provides the student with a lot ...(46/1)
2022-01-10 - PIG管道清洗原理及具有的特點——上海髙壓管道清洗 - 醫療服務 - 上海髙壓管道清洗 - 122.195.181.*
PIG管道清洗是由聚氨酯發泡體組成。有很好的彈性。在管道線路中的彎頭、T形三通管接頭和彎麴管道部分都很容易通過,並且有很好的耐磨性,（上海管道疏通清洗）所以可在管道中長距離行走。在清洗長達數公裏而且形狀複雜的管道時。 採用機械清洗或噴射清洗都有困難時。 採用Pig清洗往往能較好完成清洗任務。
Pig在管道中前進是靠着泵推動流體産生的推動力驅動的，具體的驅動方式有兩種: 一種是利用流 ...(/)