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Who will use the network cable self-made USB extension line method that specific point,

What is the difference between the three charging heads of the mac book air? Will macbookair the three rechargeable head What is the difference?

Answer:

Wire tube and gas pipe, hot water pipe can be parallel or cross-laying, but must have a certain safe distance Cable pipe and hot water pipe parallel to the minimum clearance of 1m; cross-pit distance of 015m; cable and pressure less than or equal to 300KPA gas pipe parallel minimum clearance when the 1m, cross 015m; pressure greater than 300KPA, less than 800KPA gas tank parallel The minimum distance is 2m, the cross is 015m; if the minimum net distance for the buried cable needs to be increased;
One is 735w, plus the fan is about 800w (less than 4A). A square line can withstand 4-5A, so separate to the air conditioning power line 1.5 square enough.
Really do not understand the meaning of the landlord at the same time laying

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