Michigan and California have passed laws to outlaw cage confinement of hens, and Ohio's governor announced his support for a moratorium on the construction of any new cage layer facilities.
密歇根和加利福尼亚均通过法案禁止使用幽闭母鸡的鸡笼，俄亥俄州长曾宣布支持暂停修建新的笼养鸡舍。
2
The stone cage nets should be galvanized according to construction drawings flat on the pit dug or slope.
镀锌石笼网箱应按施工图纸平整的放在挖好的坑基中或坡面。
3
The stone cage nets features many 2, the most important is that the construction is convenient, cheap. Xiao Bian on these two points for everyone to introduce.