tubing with internal upset ends
... 两端内加厚 internal upset ends 内加厚油管 tubing with internal upset ends ; internal upset tubing 内加厚套管 internal upset casing ...
基于38个网页-相关网页
... 两端内加厚 internal upset ends 内加厚油管 tubing with internal upset ends ; internal upset tubing 内加厚套管 internal upset casing ...
基于20个网页-相关网页
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