劳保

láo bǎo chǔ xù

劳保储蓄

labour insurance deposit

láo bǎo fú lì

劳保福利

labour insurance and welfare

láo bǎo dài yù

劳保待遇

labour insurance deal

láo bǎo gōng kuàng xuē

劳保工矿靴

labor protection miner boot

láo bǎo yòng pǐn

劳保用品

labour protection necessity

láo bǎo cuò shī

劳保措施

labour safety measure