... 钻杆内加厚突出区:run-out area 钻杆内防喷器;钻柱防喷回压阀:internal preventer 钻杆内防喷器:internal preventer ...
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... 钻杆内加厚突出区:run-out area 钻杆内防喷器;钻柱防喷回压阀:internal preventer 钻杆内防喷器:internal preventer ...
基于60个网页-相关网页
drilling pipe internal preventer [油气] 钻杆内防喷器
drill pipe internal preventer 钻杆内防喷器
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