Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.
核反应堆完全熔解后，会释放出另一种危险物质铯- 137。铯- 137的半衰期为30年。
Full size substance specimen tests shall not be replaced by mechanical properties tests with small size specimen.
说明了全尺寸实体试件试验具有很高的实用价值，是无法用小试样性能试验替代的。
Full size substance specimen tests shall not be replaced by mechanical properties tests with small size specimen.
说明了全尺寸实体试件试验具有很高的实用价值，是无法用小试样性能试验替代的。
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