【在 j****r 的大作中提到】 : 想请教一下,tylenol or motrin打开后放在室温下有有效期吗?我们打开后没用完,方几 : 个月都不敢再用了,又重新买新的,但是又觉得浪费.
k*u
11 楼
If it's new, the foundation has uneven subsidence and may continue to develop. Not good. If it's older than a decade, the subsidence has been stabilized. No worry. Just fix with polyurethane or epoxy.