【单选题】单选(2分)如图所示,三层LL4,墙中竖向分布筋与竖向分布筋均为C12,箍筋为C10@100,保护层厚度取15mm,则LL4跨中配置单根箍筋计算长度为()mm。(提示:采用箍筋外皮周长加24d计算)【图片】
【单选题】如图所示,在KL11中,框架梁中箍筋为()肢。【图片】
【判断题】选择性是指主、副产物中,主产物生成量折算成原料消耗量所占反应消耗原料量的百 分数。
【简答题】What does C2C mean? What are the two business models of Cross-border E-commerce? What will the third-party integrated service platform do in order to cooperate with Cross-border E-commerce companies?
【单选题】What does B2C mean?
B.
Business to cooperation
C.
Business to coexistence
D.
Business to collaboration
【单选题】如图1-1所示为某基础详图,从图1-1中可知: 基础圈梁中的箍筋为()肢箍。