题目内容

6203表示深沟球轴承,内径尺寸15mm。

A. 对
B. 错

查看答案
更多问题

30312表示圆锥滚子轴承,尺寸系列代号03,内径为60mm。

A. 对
B. 错

Choose the right word in brackets to fill the blanks.1. Sonia, we are ________ informed, loves her family very much.(reliable // reliably // rely)2. She is a novel ________ and reads as much as she can.(addict // addicted // addiction)3. He was the chief military to the Philippine military forces when the United States entered World War Two in December, 1941.(advise // advisor // advisory)4. Customers who select the smart security package can add the following home _____________ packages.(auto//automatic//automation)5. Since all behaviors have an evolutionary advantage or they would not have been retained ( 保留 ) for millions of years.(instinct // instinctive // instinctively)

下列关于框架梁单根上部通长筋的长度计算公式说法正确的是()

A. 单根上部通长筋长度=总净跨长
B. 单根上部通长筋长度=总净跨长+左支座锚固长度
C. 单根上部通长筋长度=总净跨长+左支座锚固长度+右支座锚固长度
D. 单根上部通长筋长度=总净跨长+500*2

计算框架梁上部通长筋的长度时,应先判断上部通长筋在支座是直锚还是弯锚,判断原则:柱宽-保护层≥La be,则可以直锚,柱宽-保护层

A. 对
B. 错

答案查题题库