mine filling

短语词组

短語

• mine -filling 鑛山充填
• mine water filling 鑛坑充水
• mine water filling condition 鑛井充水條件
• hydraulic mine filling 水力充填
• hydraulic hitch mine filling 水力充填
• mine filling water 鑛井充水
• incineration of waste mine filling 鑛山廻填
• filling mine 充填鑛區
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