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脆页岩
meaning in English
tender
Related Words
脆怯
脆沥青
驯脆
脆度
脆脚
烘脆
酸脆
脆化
脆褐煤
切口脆裂
脆性黏土
脆牙
脆银矿
脆银矿;斜方辉锑银矿
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