A: Can you spot weld a tube to a sheet metal?

你能把一个钢管点焊到钢板上吗？

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Can you spot weld a tube to a sheet metal?

你能把一个钢管点焊到钢板上吗？

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Then zeus transfers each precious droplet to a nearby sheet of nylon moistens a designated spot and pivots back to the glass plates to find the next sample on its list.

然后，宙斯把每一宝贵的小滴移进旁边的尼龙纸上，弄湿标记点，再折回到玻璃板去寻找其表格上的下一个试样。

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From a research station operated by the National Science Foundation called Summit Camp, a spot where the ice sheet is about 2 miles thick, GROVER will crawl at an average speed of 1.2 mph (2 kilometers per hour).

ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)

"If you looked at it and felt it you wouldn't be able to spot the difference between it and a sheet of paper, " says Skilhagen.

FORBES: Getting Power From Salty Water