Folding hinge and cap are made by stainless steel plate, the inner include standard garbage bags, a steel nets, and the other is a kind of is the plastic garbage bags can rotate.

折叠式的铰链和盖子都是由不锈钢板制作的，内层包含标准的垃圾袋，一种是钢板网，另一种是可旋转的塑料垃圾袋。

A flat plat fixed-bed reactor for gas purification was designed, its structure, working principle, function of screen plate, guide baffle, gas receiver and filtration cap were introduced.

设计了一种用于气体净化的平板式固定床反应器，介绍了该反应器的结构、工作原理以及网板、导向板、气体收集箱、过滤盖等组件的功能。

The locking screw (17) and an end (18) are pressed on the arm plate (2) of the support frame by a cap (19).

该锁紧螺钉（17）和端头（18）通过帽（19）压在支架的臂板（2）上。

The pressurized vessel of a nuclear reactor consists of three parts: the top cap, the ribbed tube-plate and the shells (the external shell and the bottom shell).

反应堆压力容器包括顶盖、加肋管板，壳体(外壳和底部壳体)三部分。

A gird beam plate (2) is arranged below the conical cap (1), and the conical cap (1) is connected with the supporting plate (3) through the gird beam plate (2).

在锥帽(1)的下方有圈梁板(2)，锥帽(1)通过圈梁板(2)与支撑板(3)连接。