mine filling

短语词组

短语

• mine -filling 矿山充填
• mine water filling 矿坑充水
• mine water filling condition 矿井充水条件
• hydraulic mine filling 水力充填
• hydraulic hitch mine filling 水力充填
• mine filling water 矿井充水
• incineration of waste mine filling 矿山回填
• filling mine 充填矿区
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