charging hole

短语词组

短語

• charging g hole 裝料琯道
• non -charging blasting hole instrument 砲孔疏通器
• oil charging hole 注油孔
• charging hole seat 裝煤孔座
• Feed Charging Hole 加料口
• coal charging hole 裝煤孔
• hole charging 砲眼裝葯
• slim -hole charging 葯孔
• in -hole chargg method 井中充電
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