The foundry technology for resistant pressure base seat of submarine motor were discussed from some respects of chemical constitution, analysis of casting structure, modeling materials etc.
从化学成分、铸件结构、造型材料等几个方面探讨了潜水电机耐高压机座的铸造工艺。
What happens is that the ice at the base of the glacier is under a great deal of pressure—the pressure coming from the weight of the overlying ice.
实际情况是,冰川底部的冰承受着巨大的压力——这些压力来自于覆盖在上面的冰的重量。
Once they hit the edge of a cone, drops are propelled towards its base, the least curved region, because of the pressure difference caused by surface tension.
一旦水滴流到了圆锥体的边缘,就会在锥体表面张力所形成的压力差的作用下流向它的底座,那里是曲线弧度最小的地方。
Pressure from the president's liberal Democratic base is likely to have an impact on that decision, says former assistant secretary of state Teresita Schaffer.
VOA: standard.2010.07.30
Experts in Pakistan believe the involvement of the local Taliban in the attack on a CIA base in Afghanistan could mean more pressure on Islamabad to intensify its crackdown on militants to secure the border areas.
VOA: standard.2010.01.09
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