The technology and equipment of automatic stop up hole welding with argon gas protection, scavenging welding technique and welding power supply are introduced.
介绍了氩气保护自动堵孔焊技术及其所用设备、换气焊接系统、焊接电源等。
Either way, if its roots are pulled up from out of the ground as the tree topples over, then there's usually a big hole, a pit left in the ground where the roots used to be.
无论是哪种原因，如果树倒在地上时树根从地下被拔起，那么地面通常会有个大洞，在原来树根所在地留下一个坑。
He went up to the place where he had dug the hole and buried the gold pieces.
他走到挖洞埋金币的地方。
Certainly a little narrow face, with hard eyes, had flashed up for an instant from a hole, and was gone.
确实有一张窄窄的小脸，露着严厉的目光，在一个洞里闪了一下，就不见了。
Radio signals received from the galaxy's centre back up the black hole theory.
从该星系中心接收到的无线电信号证实了黑洞理论。
He'll hole up now and move again tomorrow, after dark.
他现在将躲起来，等明天天黑以后再动身。
Heat butter in a frying pan and put in the bread slice template. Crack an egg into the heart-shaped hole, fry up and serve on the toast.
在煎锅中加热黄油，然后放入面包薄片模子。将一个鸡蛋打到心形状的洞里，将其煎熟，再放在烤面包上上菜。
He dug the hole, put the four gold pieces into it, and covered them up very carefully.
他挖了一个洞，把四个金币放了进去，然后小心翼翼地埋好它们。
The two frogs didn't care and tried their best to jump up out of the hole.
两只青蛙并不在意，尽它们最大的努力往上跳，以便跳出洞。
The stars show up white and the space around the black hole is blue in this color-coded infrared image.
星体在由颜色编码的红外图象上显示为白色，而黑洞周围的地方程现蓝色。
He walked up the rocks until he found a dry hole, safe from the rain, and he slept again.
他立刻沿着岩石向上走，直到找了一个可以蔽雨的干燥的山洞，他再接着睡。
If your hole ends up being a bit too big and the knots themselves don't hold the yarn in place, then tug on the yarn ends and stick some Popsicle sticks under the main knot to secure in place.
如果中间的孔太大，线结本身不能将毛线固定在合适的位置，那么可以用力拉毛线的末端，并将一些冰棒棍粘在毛线结下面加以固定。
He took it up; there was a hole in it; he looked through the hole, and saw the gold heaped up under the ground.
透过洞，他看见地下堆满了金子。
And so the question now that comes up: Can we see x-rays from a black hole?
能从黑洞看到x射线？，因为如果没东西能从？
The third shot up and over one large bunker is the key to scoring well on this hole.
第三杆必须向上飞越一个大沙坑，这是确保在此夺得高分的关键。
Unless a tiny black hole turns up in the collisions of a powerful particle accelerator, that may be the best physicists can hope for.
这也许是最拔萃的物质学家所希望看到的，除非我们使用强大的粒子加速器的冲撞实验制造出一个小黑洞。
There might be a massive black hole at the center of our galaxy swallowing up stars at a very rapid rate.
在我们银河系的中心很可能存在着一个巨大的黑洞正以极快的速度吞食着星球。
If you are unlucky enough to end up on a plane that develops a hole on it, "all is not doomed," Landis said.
如果你不幸搭上了这样一班有洞在形成的飞机，“一切都还没有结束，”兰迪斯说。
Crack an egg into the heart-shaped hole, fry up and serve on the toast.
接着，往这个心形的空缺处打一只鸡蛋，并将其油煎一下，最后放在吐司上。
And trying to fill up the hole we feel - with relationships, food, busyness - is rarely successful for too long.
而想要用恋爱、食物、忙碌来填补我们感觉到的空洞也很少能长时间有用。
Geothermal reservoirs are like capped geysers: When humans drill a hole, hot stuff comes up, which can be used to run a turbine.
地热贮藏就像是加了盖子的间歇泉：钻一个洞，热能就会冒出来，人们可以用它来驱动涡轮机。
The impact carved a hole 70 to 100 feet in diameter and tossed up a fountain of lunar material six feet deep.
雕刻了一个洞的影响直径70到100英尺的泉源，而且投掷了月球物质六英尺深。
Once you have made the Dakota fire hole you can easily set up a cooking surface for pots and pans by laying several parallel green sticks across the fire pit as show in the picture.
一旦火坑挖好，你可以在达科他火坑的基础上做很多改进，比如在火坑上方用绿枝搭建烤架，也可以坑边上堆一些石块，做成可以放锅的简易炉灶。
Modern technology has created some thorny problems (Can a particle accelerator open up a cataclysmic black hole that will destroy the Earth?
现代技术往往产生一些难以两全的棘手问题。 你认为，粒子加速器是否能揭开据称将毁灭地球的黑洞秘密吗？
As the black hole feeds, the gas and dust heat up and spray out X-rays, as illustrated by the white rays.
当黑洞吞噬物质时，气体和尘埃会被加热，并喷发出x射线，在图中以白色表示。
As the black hole feeds, the gas and dust heat up and spray out X-rays, as illustrated by the white rays.
当黑洞吞噬物质时，气体和尘埃会被加热，并喷发出x射线，在图中以白色表示。
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