大多数的布线和照明被安置在金属覆盖层内，同时两个圆筒形的聚光灯用于聚集光线，照射在会议桌上。
The majority of wiring and lighting were placed within a metal cover, but two cylindrical spotlights are used to focus the light on the boardroom table.
当金属的覆盖层受到扎刺或划损时，受损区域的胶囊将会破裂并渗出具有恢复性的液体- - -三价铬钝化化合物。
When the metal coating is punctured or scratched, the capsules in the damaged area burst and ooze restorative liquids, in the form of compounds called trivalent chromates.
在管子覆盖层或金属表面涂漆层上有漏涂点或裂缝。
A gap or void in the coating of a pipe or in paint on a metal surface.
在管子覆盖层或金属表面涂漆层上有漏涂点或裂缝。
A gap or void in the coating of a pipe or in paint on a metal surface.
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