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- The use of ERW casing may avoid the low collapse resistance of seamless casing when other factors are fixed,and satisfy t... 当其他条件相同时,采用ERW套管可解决选用套管的抗挤强度不足问题,满足石油行业对套管柱环空、抗挤的高要求。
- The effects of outer diameter/wall thickness,material yield strength,ovality,eccentricity and residual stress on the casing collapse resistance are analyzed in this paper. 为提高套管挤毁压力预测精度,应用统计方法对213根套管全尺寸挤毁试验数据进行了方差分析,研究了外径不圆度、壁厚不均度、残余应力等因素对套管抗挤强度的影响。
- The result showed that the dimension control,residual stress and collapse resistance of ERW casing made in China is much better than that of seamless casing. 结果表明,国产ERW套管在几何尺寸、残余应力及抗挤强度等方面和无缝套管相比有较大的优势。
- He collapse the wheelchair and put it on the boat. 他将轮椅折叠起来放在船上。
- The shack seemed almost ready to collapse. 那小屋子好像是快要倒塌了。
- The cartoon ended with collapse of stout party. 卡通以一个自以为是的人斗败后目瞪口呆作为结束。
- The wind caused the tent to collapse. 风把帐篷吹塌了。
- She looked ready to collapse at any minute. 她看样子随时都可能垮下来。
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- The out break of the war precipitated the collapse of our firm. 战争的爆发加速了我们公司的倒闭。
- The collapse of the building caused no casualties. 建筑倒塌没有造成伤亡。
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。
- The stock market was on the brink of collapse. 股市已到崩盘的边缘。
- The house is now in danger of collapse. 这座房子有倒塌的危险。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- There has been a lot of resistance to this new law. 反对这项新法律的人很多。
- Our troops encountered only token resistance. 我们的部队仅受到表面上的抵抗。
- Polish resistance would soon collapse. 波军的抵抗将一触即溃。
- Resistance stiffened even further last week. 上星期抵抗进一步加强了。
- Some miners were trapped underground after the collapse. 塌方后，有些矿工被困在地下。
