shí / yàn / rén / yuán / chǔ / lǐ / lián / ān / shí / bì / xū / chuān / dài / hé / shì / de / fáng / hù / zhuāng / bèi

实验人员处理联氨时必须穿戴合适的防护装备。

Laboratory personnel must wear suitable protective equipment when handling hydrazine.