When the greenhouseglass plate is simply supported, the hail resistant behavior is better than that using clamped supports.
边界条件为简支时，温室覆盖玻璃板的抗雹性能强却不宜实现，固支时则相反。
2
By making the thick glass bottles invented by Dom Perignon lighter, champagne makers will save some 8,000 metric tons of greenhouse gas pollution per year with future vintages.
By making the thick glass bottles invented by Dom Perignon lighter, champagne makers will save some 8, 000 metric tons of greenhouse gas pollution per year with future vintages.