closed-end tube的意思|示意
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封闭式管
closed-end tube的网络常见释义
包端管 ... closed-end questions 封闭式问题 closed-end tube 包端管 Closed-end questionnaire 封闭式问卷 ...
closed-end tube相关短语
1、 end closed drainage tube glass 释义封口玻璃引流管