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1·Texture of material:The body and a box cover for malleable iron; screws made of 304 staintess steel; the gasket material for rubber.

材质：穿线盒体和盒盖为热浸锌可锻铸铁；螺丝材质为不锈钢304； 垫圈材质为橡胶。

2·Because of the action of an outer cover and a sealing gasket in the inside, the change cycle can be extended largely by the water in the tray of the jar body, and the water is not easy to vaporise.

由于外盖及其内侧的密封垫的作用，罐体托盘中的水可大大延长更换周期，水不易蒸发。

3·This paper is based on the sealing reliability of flange for the DSHE and submits a predicting calculation' s method of the bolt for seating gasket used in circular-shaped cover of the DSHE.

本文以确保螺旋体法兰密封面的密封性能为前提，讨论了一种用以确定可拆螺旋板式换热器大平盖螺栓预紧力的估算方法。

4·Cover is fixing on the tube plate with some sealed gasket by bolt.

端盖用螺栓将它们固定在管板上并加入垫片密封。

5·With the example, one method for designing flat cover with welded gasket commonly met in pressure vessel design was presented.

通过计算实例，给出了压力容器设计中常见的焊接密封垫片连接结构的平盖设计的一种方法。

6·When it has been determined that the volute to barrel gasket has been seated properly, the gap between the cover and barrel should be carefully measured with feeler gauges.

当决定要固定蜗壳与缸体垫片时，封盖和外缸体之间的间隙应该用千分尺仔细地测量。