Disign principle, structure and size of steel mould bamboo plywood form and bamboo plywood form are presented summarily.

本文综述了钢竹模板和竹胶板模板的设计原则、模板结构、模板规格及计算方法。

The disign of the database and the overall structure of underground lines and their program management system are briefly introduced.

说明了兰州市地下管线规划管理信息系统的总体结构；

By this function, the qualification rate of chain length can be calculated from the precision parameter of the chain pitch. Disign method of the precision of the chain pitch is also presented.

利用此函数关系，可根据链条节距精度参数计算链长合格率，并提出链节节距精度的设计方法。

The significance of the hexagonal pass diagonal disign in (he twisting rolling, selection of the diagonal angle are introduced. The allocation of the pass and the disign example are introduced too.

介绍了有扭轧制中六角孔型斜配的意义、斜配角的选择，配辊及设计实例。