螺絲沒擰緊，或擰太緊把墊圈擰炸了。總之幹啥事都要專業點。

來源: 溫哥華農民於 2015-11-21 10:19:59 [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.

螺絲沒擰緊，或擰太緊把墊圈擰炸了。 總之幹啥事都要專業點。