... 过程连接（ procedure linkage） 外部零件材料（The external parts material） 防护等级（level of protection） ...
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Materials for external attachments and vessel support welded directly to the pressure retaining parts shall be similar material as the pressure parts.
直接焊接到压力保持部件上的外部配件及容器支架的材料应与压力部件相同。
With elastic material parts in pressures deformation, remove the external forces and reinstatement.
用弹性材料制成的零件在外力作用下发生形变，除去外力后又恢复原状。
In order to achieve good heat dissipation effect, rear cover material selection metal parts And at the same time, heat dissipation structure in order, making the external appearance more vivid.
为了达到良好的散热效果后盖材料选择金属件，同时散热结构整齐有序，使得外观更加生动。
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