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Innovation in mining technology isn't just about efficiency—it's about safety and sustainability.
科学不仅仅是一门学科,它是一种思维方式。
The love of a teacher is like drops of dew, which can revive even a withered soul; the love of a teacher is like a warm spring breeze, which can melt even frozen emotions.
"We do not write because we want to; we write because we have to."