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单词
classification of reserves
释义
classification of reserves
网络
储量级别
网络释义
1.
储量级别
...45 （三）煤炭储量级别和储量分类 1．储量级别
储量级别
(
classification of reserves
)是 统一区分和衡量矿产储量精度或可靠 …
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更新时间：2025/8/2 16:37:17