But sometimes it's 6 because when a Pu is here, we'll have 6 people.
但是有时候还会是6个人,因为阿婆来的时候。
The following results have been obtained; (1) Pu is really a powerful carcinogenic radionuclide.
研究结果表明:(1)钚确系具有高度致癌毒性的放射性核素;
PU is a polymer with urethane segment repetitive structure unit formed after the reaction of TDI and PPG.
聚氨酯是由异氰酸酯与多元醇反应制成的一种具有氨基甲酸酯链段重复结构单元的聚合物。
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