应用高效的气体保护熔化极电弧焊焊接铝合金薄板时，容易出现熔池下塌、烧穿等焊接缺陷。
Welding defects such as collapse of molten pool, burning through, would like to happen in the high efficient gas shielded metal arc welding.
科学家推测，一旦这些恒星爆发完毕，剩余的气体就会在自身重力下塌缩进一个无限密集的点。
Once the stars sputtered out, the scientists posited, the remaining gas would collapse under its own gravity into an infinitely dense point.
焊点中存在的主要缺陷是气孔，表面下塌，热裂纹，其中气孔主要为氧化膜气孔和匙孔不稳定形成的气孔。
The main defects of laser spot welding of aluminum are crater, hot crack and porosity which created by oxide film and keyhole instability,.
目前了解的恒星形成的一个基本图象是，恒星是由一个足够大质量的星际分子气体云在其自引力作用下塌缩而形成。
The current picture is that stars are formed during the collapse of a large enough self gravitating interstellar molecular cloud.
您若愿意的话，我们想把你们先安排在地处市中心的假日酒店下塌，从假日酒店开车(步行)30分钟可到我们的实验室。
If you don't mind, we'd like to accommodate you at the Holiday Inn, which is located in the downtown area, a 30 minutes' drive (walk) from our lab.
我认为这要视塌下来的物质的数量，随着越来越多的岩块干冰下塌，一开始低沉渐渐变得隆隆起来。 就像你在珠穆朗玛峰或乔戈里峰上听到的雪崩的声音一样。
Depending on the amount of matter coming down, you would more likely feel it first as a low and growing rumble.
在星云里面，某些部分足够致密而在自身重力影响下开始塌缩。
Within the cloud, some parts are sufficiently dense to start collapsing under their own gravity.
有些情况下，恒星的塌缩会产生一个黑洞。
In some cases, the collapsing of a star produces a black hole.
一般情况下，哈科特会用“塌箱”(crashingthe tank)来结束这次酿造试验，也就是通过降低温度让酵母进入休眠状态。
Normally, Hackett ends the primary fermentation process by "crashing the tank" -lowering the temperature to shock the yeast into dormancy.
当时的我，感觉天要塌似的，井然有序的生活一下子全乱了。
Then I feel like the sky is falling, orderly life of a sudden the whole trouble.
用钢板对地下结构进行抗震塌破坏加固改造，已成为精确打击条件下坑道防护工程研究的重要内容之一。
Under the condition of directly hit with precision-guided munitions, the research on the spall-resistant dam- age for underground structures has become important in protective engineering.
这种结构能有效的控制混凝土在爆炸冲击荷载作用下的开裂、震塌，限制结构的变形，增强结构稳定性。
Its effect of controlling the concrete's crack and crush, decreasing the structural deformation and improving the structural stability is marked.
那些和我同龄的孩子们，他们的学校在这次洪水的袭击下，也面临垮塌，即将失学。
Those with my age children, their school under the flood attacks, also faces collapse, is about to drop out of school.
港口所有设施，被震塌的建筑物，在狂涛的洗劫下，被席卷一空，海滩上一片狼藉。
All port facilities, collapsed buildings, the looting of the Kuang Tao, and be swept an empty beach in ruins.
事发时他正在隔壁房屋喂猪，就在他进入这栋房屋拿东西时，房屋突然垮塌，把他掩埋在废墟下。
He was feeding a pig in the next door building when matter delivered, when he enter this building to take thing, the building suddenly crashed and buried him at under the ruins.
事发时他正在隔壁房屋喂猪，就在他进入这栋房屋拿东西时，房屋突然垮塌，把他掩埋在废墟下。
He was feeding a pig in the next door building when matter delivered, when he enter this building to take thing, the building suddenly crashed and buried him at under the ruins.
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