這種閥門關不緊，大部分時間是可以把把手下麵的PACKING NUT用扳手擰緊一點就好了。

來源: borisg 於 2024-12-13 17:51:29 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.