風管的管徑 - 水族
By Dorothy
at 2019-11-26T17:57
at 2019-11-26T17:57
Table of Contents
小弟研究生最近做實驗需要一些內徑4mm,外徑6mm的壓克力管
原本是使用化材行訂製的玻璃管,但因為太易碎QQ,所以在網站上找到水族用的壓克力管
可是網站上沒標示,賣家也不清楚風管的管徑
附近的水族管只有軟管,所以用游標尺量有點不太準,外徑感覺在5~6mm之間
想請問版上大大一般風管的管徑是多少呢?
第一次在這裡發文,如果不合版規會自刪
謝謝大家~
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水族
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