1. poor pinyin: [pín]
2. depletion
Sentence: for the actual situation of Sichuan Lugu Iron Ore Mine, to put forward the specific measures that should be taken when the rock is cut in the lower plate, to achieve the purpose of more recovery of ore, low depletion, and to achieve the maximum economic benefits.
Explanation: In the extracted ore, the content of useful minerals is lower than that in the ore body, called cargoization, which is caused by the mixing of ore and waste rock in the mining process.
3, help the poor
Creation: But then the old woman put him in the coarse cotton clothes yellowed due to the age of too long, and then he looked exactly the same as he was? An orphan of the Poorhouse, ready for a life of misery, hunger and neglect.
Explanation: relief for the poor and needy.