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- Analysis and study of mining cost of 4~# stope slope expansion project of Peru Iron Co,Capital I & S Co. 首鋼秘鐵公司4~%23采區擴幫延深工程采礦成本的分析與研究
- Improvement of restraining condition of explosive makes employment of low cost explosive possible, and correspondently mining cost is greatly reduced. 由于裝藥約束條件的改善，可采用普通低成本炸藥，從而大大降低采礦成本。
- As an unfavorable raw material for sulphuric acid production, pyrite should raise its competitive capacity by lowering mining cost and increasing ore grad, reducing environmental pollution and implementing comprehensive utilization. 對于本土資源硫鐵礦,由于在制酸方面并無(wú)優(yōu)勢可言,要提升競爭力必須降低礦成本,提高礦品位,減輕環(huán)境污染,搞好綜合利用;
- In order to improve the blasting and increase loading efficiencey as well as to decrease mining cost,it is important to study the optimization of pattern parameters in undergroud bore hole blasting. 地下礦山中深孔爆破孔網(wǎng)參數優(yōu)化研究對于改善爆破效果、提高鏟裝效率、降低采礦成本至關(guān)重要。
- Resource condition factors of influencing coal mining cost are analyzed, and predicting method of cost per ton of mined coal which is determined by coal resource condition (i. 分析和確定了影響煤炭開(kāi)采成本的資源條件因素，探討了由煤炭資源條件決定的噸煤開(kāi)采成本（標準開(kāi)采成本）的預測方法。
- It is a fact of life and you must face it. 這是嚴酷的現實(shí)，你必須面對它。
- He tried to put a bold face on his failure. 他對自己的失敗裝出一副滿(mǎn)不在乎的樣子。
- I dry my hands and face with the towel. 我用毛巾擦干了雙手和面部。
- The sea have erode the cliff face over the years. 海水經(jīng)年累月沖刷著(zhù)峭壁的表面。
- He stumbled over a stump and fell flat on his face. 他給樹(shù)樁一絆，摔了個(gè)嘴啃泥。
- A new method is presented,namely concrete scroll rockbolt supporing .Not only does it improve the security of working and reduce mining costs,but also it accelerates tunneling speed. 文中介紹了一種用水泥卷錨桿支護的掘進(jìn)新工藝,不但工作安全可靠,降低了掘進(jìn)成本,而且大大提高了掘進(jìn)速度。
- Get the stardust out of your eyes and face reality. 拋棄天真的想法而面對現實(shí)。
- A dash of water in his face will revive him. 向他臉上潑水能使他蘇醒。
- I felt a certain indisposition to face reality. 我多少有些不愿意面對現實(shí)。
- Her face was overclouded with grief. 她的臉色因悲傷而變陰沉。
- His ashen face showed how shocked he was. 他面如土色，說(shuō)明他多么驚駭。
- The shadow of death is on his face. 死亡的陰影籠罩在他的臉上。
- ON LINKING UP CHINA'S MINE COST CALCULATION WITH THE WORLD 論礦山成本計算與國際接軌
- Her face is sprinkled with tiny freckles. 她的臉上有點(diǎn)點(diǎn)的雀斑。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭巖石。
