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A. a liquid of low viscosity is used B. a liquid of low surface tension is used C. the bubble space should be long D. the bubble tube should not be too narrow

Posted by Civil Engineer
Asked on June 17, 2016 2:54 pm
1

A. a liquid of low viscosity is used B. a liquid of low surface tension is used C. the bubble space should be long D. the bubble tube should not be too narrow

Posted by Civil Engineer
Answered on June 26, 2016 4:46 am