If electric wiring is shorting out, shut off the electric current at the main box.

如果电线短路，请在主控箱切断电源。

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Controlling for distortion of main box girder carrier-track welded with T-beam is introduced in the paper.

介绍了对T型钢承轨偏轨箱形主梁的焊接变形控制。

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The utility model discloses a multipurpose combined type pen and ink stand, comprising a main box body, an ink box, a brush rack, and a desk calendar rack;

多用组合式笔墨台，由主盒体及与其相连的墨盒、笔架、台历架等构成。

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The main video box shows the person who's speaking the loudest at any given time.

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On the left hand side of the page, there will be a column listing all the folders (inbox, sent mail, etc.) and in the middle of the page will be the main text box.

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The lunch box has main compartment large enough for a sandwich, apple and juice box as well as an interior mesh pocket for utensils and more.

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