It is cool and filter the precipitated caesium dichloroiodide.这是冷却,滤出沉淀的二氯碘化铯.Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.铯-137是一种放射性同位素, 主要由核分裂产生.Caesium is one of the radio - contamina...
挑选的地板材料必须是防水的。The floorcovering you select will need to be impervious to water.这种结实的高强度塑料盒子在水下100英尺以内是防水的。The durable high-impact plastic case is water resistant to 100 feet.这款随身听的外壳是防水的。The personal stereo has a water-r...