工厂里最大的非铁质金属部分已经被偷光了。

The biggest part of the nonferrous metal of the factory has been stolen.

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当主提带上金属部分温度较高时，不要与伞衣接触。

When the temperature is high metal parts of the risers should not get in touch with the wing.

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清洁活塞环槽或油环开缝，绝对不能损伤金属部分。

Be sure that you do not remove metal when cleaning ring grooves or oil slots.

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Donors are over here, the metals on the left end of the Periodic Table.

在这里，在元素周期表的左下部分的金属。

麻省理工公开课 - 固态化学导论课程节选

And in the second half of this course, talk to us about transition metals in depth, and that's when we'll really delve into d orbitals.

在这个课程的后半部分，会深入的讲到，过渡金属，这时候，你们可以研究d轨道。

麻省理工公开课 - 化学原理课程节选