水平式自动喷水灭火系统边墙型喷头溅水盘与顶板的距离不应小于()mm,且不宜大于()mm。
参考答案:150;300
正方体是特殊的长方体.______.
The island is attractive in spring and autumn because of the pleasant weather in both seasons. [ ]
A. partly
B. merely
C. nearly
D. equally