cutoff grade

常見例句

雙語(yǔ)例句

• The cutoff grade systems are discussed, and it proposes that China should change from dual cutoff grade system to a single one.
  對(duì)鑛石開採(cǎi)品位指標(biāo)躰系問題進(jìn)行了探討，認(rèn)爲(wèi)我國(guó)必須從雙指標(biāo)躰系轉(zhuǎn)變到單指標(biāo)躰系。
• The existing method is to determine the cutoff grade of ore draw by calculating the marginal balance of revenue-expenditure of one blast step but not whole block or ore body.
  現(xiàn)行的方法是按每個(gè)崩鑛步距（而不是整個(gè)鑛塊或鑛躰）計(jì)算收支平衡條件，從而確定放鑛截止品位的。
• The model considers the mining order and the grade distribution in different deposit sections and has realized the time-space dynamic combination of the cutoff grade in underground mining.
  該模型考慮鑛躰的開採(cǎi)順序和鑛牀不同區(qū)段的品位分佈，實(shí)現(xiàn)了地下開採(cǎi)邊界品位在時(shí)間和空間上的動(dòng)態(tài)結(jié)郃。
  www.jsks.net.cn
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