square-serif type

A new type of space structure was developed by combining the single layer reticulated dome with the double layer square pyramid space grids with openings. It was desinged in the roof structure of a project.

结合一工程实例，将单层球面网壳结构与双层抽空四角锥球面网壳结构结合起来，设计了一种新型的空间结构型式，即单双层抽空四角锥球面网壳结构。

Square diffuser is fit for ceiling air feeding system with wall-attached airflow ( flat-feed type ).

方形散流器适合于吊顶送风系统,气流方式为贴附型 ( 平送型 ).

As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser.

条缝形散流器作为变风量系统的空气分布器其性能是最好的，但这种条缝形散流器过于昂贵，故国内许多公司选择采用方形散流器。

The advantages of two different structural types can be fully developed by combining the single-layer spherical dome and the double-layer square pyramid space grids into a new structural type.

在大跨度结构中，将单、双层网壳结合起来形成的一种结构形成&周边双层中部单层的球面网壳结构，可充分发挥两种结构形式的优点。

Objective In order to develop an electrotherapy apparatus with 50 kHz square wave pulse and to set up a new type of drug-iontophoresis system.

目的研制50kHz方波脉冲电疗仪，以建立新型药物离子导入系统。