把陷下去的一段反方向重托起來,把鬆土耙掉,直到實土暴露,再往裏往下灌水泥。
這個算大麻煩
• 是的,但僅此而矣,價錢就看這難度有多大,幸而一般都不可能是深陷。 -梁山sl- ♂ (0 bytes) () 08/01/2012 postreply 17:34:40
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