短語詞組短語cavity concrete block 空心混凝土砌塊Half cavity -block with sliding slot 哈夫斜滑塊concrete small cavity block 混凝土小型空心砌塊small cavity block 小型空心砌塊concrete cavity block 混凝土空心砌塊concrete small cavity block building 混凝土砌塊建筑block up cavity effect 堵腔效應half block mold cavity 型腔哈夫塊 返回 cavity block