The machine punches a row of holes in the metal sheet.

机器在金属薄板上冲出一排孔。

He hammered out the dents in the metal sheet.

他把金属板上的一些凹痕敲掉了。

The building is topped by a ventilated roof with a metal sheet covering.

建筑物上的可通风屋顶是由金属片覆盖的。

All metal elements are made of galvanized metal sheet and author designed.

所有金属元素都是由镀锌金属板组成。

The metal sheet is coated with a certain special material, such as cesium.

金属片上涂有象铯那样的某种特殊材料。