charging hole
短語詞組
- charging g hole 裝料管道
- non -charging blasting hole instrument 炮孔疏通器
- 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 炮眼裝藥
- slim -hole charging 藥孔
- in -hole chargg method 井中充電 返回 charging hole