stuffing box casing head_新英汉石油技术词典
stuffing box casing head
[新英汉石油技术词典]
stuffing box casing head盘根盒式套管头
是什么意思，stuffing box casing head的解释，stuffing box casing head的翻译
[石油英汉词典] stuffing box casing head
盘根盒式套管头
