冰水均温装置中的蒸发器采用立式螺旋管形式放置于冰水池内，螺旋管内为超倍的氨供液，管外用气泵往冰水池内鼓入气泡起到强制对流换热效果。
The evaporators in the ice-water temperature uniformity equipment take the shape of vertical spiral tube which lie in the ice water pool.
开采这些超深的油矿沉积层所需的钻探压力是开采海上石油正常压力的三倍。
These ultra-deep deposits must be drilled at up to three times the normal pressure for offshore oil.
到目前为止，大型强子对撞机将质子-反质子对撞机设置的质量限制扩大了两倍，以高达约700千兆电子伏的能量规模高速运作也未能找到任何超夸克的存在。
So far the LHC has doubled the mass limit set by the Tevatron, showing no evidence of squarks at energies up to about 700 gigaelectronvolts.
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