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strip pit
eng.geol.
露天矿坑
expl.
露天矿
从地表通过向下阶梯剥离开采金属矿、煤及其他非金属等矿床的作业形式
hydroel.st.
露天采石场
met.
露天矿
tech.
采石场
;
露天采掘坑
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