制梁台座顶面不宜预设拱(挠)度,制梁所需预设的拱(挠)度宜由模板设计和制造单位在模板()时设臵,可通过调整底模与制梁台座间楔形钢板等方法调整。
参考答案:加工和安装
视网膜色素沉着,可出现()黄斑囊样水肿可出现()视网膜色素上皮萎缩可见()荧光素积存在视网膜色素上皮下()玻璃膜疣可见()
A.透见荧光
B.荧光遮蔽
C.视网膜渗漏
D.池样充盈
E.组织染色
— ____ do you watch TV every week ?
一Less than two hours I often have much homework to do. [ ]
A.How many
B.How much
C.How long
D.How often