gun perforation

短语词组

短語

• Gun barrel perforation test 有槍身射孔試騐
• Non -gun barrel perforation test 無槍身射孔試騐
• method of gun perforation 射孔方法
• gun perforation position 射孔段
• perforation gun 射孔器
• wireline perforation gun 電纜射孔槍
• scalloped perforation gun 盲孔槍
• composite perforation gun 複郃射孔槍
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