英语词典
Drill pipes can be divided into three types: IU, EU and IEU.
石油钻杆可分为内加厚、外加厚和内外加厚三种类型。
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Aanalysis of Fitting Hearing Aids in 168 Ears pertaining to the ossicles in the middle ear. Hydril IEU style
168耳选配的耳内式助听器特性分析
The analysis involves the failures of the φ 127 mm × 9.19 mm IEU S-135 drill pipe, including piercing-corrosion and outer surface corrosion of the pipe body.
对发生管体刺穿、外壁腐蚀的Φ127mm×9.19mm IEU S-135钻杆进行了失效分析。
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