Mainly describe the design parameters of aluminium alloy diffusion and the development process, and also solve the design of pressure device.
介绍了铝合金扩散焊炉的设计参数及研制过程，并解决了加压装置的设计。
The pressure device is fixed at the tail end of a carriage bottom and the lock bolt is connected with the connecting rod of the pressure device;
压力装置固定 于车厢底部末端处，锁舌连接在压力装置的连杆上。
Moreover, the heat supply device of industrial washing machinery is a normal-pressure device, is simple to manufacture and has low manufacture and use costs.
且本工业洗涤机械供热装置是常压装置，制造简单，制造和使用成本低。
Emergency vent Manhole Cover is a kind of rapid relief-pressure device. Its technical performance, main material and main parts'materialare the same as HXF-HR type breather manholes.
紧急放空人孔是快速泄压装置，其技术性能、主要零部件材料与HXF-HR呼吸人孔相同。
The utility model relates to a piston valve which is installed in a cylinder tube of a pressure device, wherein the cylinder tube has an inner ring wall face towards the piston valve.
一种安装在压力装置的缸管内的活塞阀，在缸管上具有一朝向活塞阀 的内环壁面。
The utility model relates to a piston valve which is installed in a cylinder tube of a pressure device, wherein the cylinder tube has an inner ring wall face towards the piston valve.
一种安装在压力装置的缸管内的活塞阀，在缸管上具有一朝向活塞阀 的内环壁面。
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