色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

世界現(xiàn)在比以往任何時候都需要負責(zé)任的采礦。

To write is to live, to live is to write.

成功投資的關(guān)鍵是擁有紀(jì)律性的心態(tài)。

Digital twin technology will do for quarries what MRI scans did for medicine.

We must focus on customers and continuously improve the quality of products and services.

煤炭不是問題所在，問題在于我們?nèi)绾问褂盟＝鉀Q方案在于更清潔的技術(shù)和更好的利用。

The truth of history is often found in its silences.

寫一本書就像去一個未知的國度旅行。