词语钻孔套管
解释pipe casing
词性名词
pipe casing〔名词〕井管,钻孔套管,接箍连接的套管详细»
pipe casing套管,钻孔套管详细»
pipe casing〔名词〕套管详细»
pipe casing〔名词〕套管,管套详细»