本发明涉及基板载具，包含主支架、副支架、第一托盘和第二托盘。
The invention relates to a substrate carrying tool, comprising main brackets, auxiliary brackets, a first tray and a second tray.
主拱为桁架式双拱肋，钢管拱纵向分13段制造，采用无支架缆索吊机安装、钢绞线斜拉扣挂施工。
The steel pipe arch was manufactured in 13 segments vertically, erected by cable crane without support and clasped by diagonal tension steel strand.
分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
应用推荐