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作为改善超低温下机械性能的环氧玻璃层板,美国NBS已规定了G—10CR(气体含量64％～68％的重量)和G—11CR(67％～72％的重量)。
As an epoxy glass laminate to improve the mechanical properties at very low temperatures, the U.S. NBS has specified G-10CR (gas content of 64% to 68% by weight) and G-11CR (67% to 72% by weight).