1、屋顶斜沟排水槽底板
...valley basin ==> 谷盆valley board ==> 屋顶斜沟排水槽底板valley bog ==> 低位沼泽 ...
San Gabriel Valley School Board教委会
Fraser Valley Real Estate Board菲沙河谷地产局;菲沙河谷房产局;据菲沙河股地产局;菲沙地产局
Thames Valley District School Board泰晤士谷地区教育局;泰晤士河谷区教育局
Board Valley城市