今天看到一个幸福的女孩叙述: 她的BF向她父母请求娶他们 ...? 回复 10# realben maybe you're right, you never know. perhaps we should wait for the girls to give their suggestion, they may well understand your girlfriend's feeling better than we men.查看更多
用膜进行海水淡化的成本? 原帖由 laobao508 于 2008-6-15 12:59 发表 in us, some people claimed the cost of $0.5-$1.0/ton. but it should be more than that. hope this will be helpful. 我不了解这个 成本要那么高? 太高了!!!查看更多