The causes producing wall thickness difference in a same pierced shell are expounded and the influences of piercing, rolling and mandrel drawing on the difference are studied.
阐述了穿孔毛管产生同管壁厚差的原因，研究了穿孔和轧管工艺对钢管同管壁厚差的影响。
Researchers have been attempting todevelop such coatings for decades, but existing methods for depositingthem—such as spraying—have trouble producing the correct thickness.
研究人员几十年来一直在尝试研发这种新型涂料，但是现有的涂覆方法，比如喷涂法，都很难得到合适的厚度。
The deviation of the particleboard's thickness is the crux of the matter for the quality of the board sanding; the particleboard's thickness is controlled strictly during the producing course.
刨花板厚度偏差是影响砂光质量的关键因素，生产过程中必须严格控制刨花板厚度。
The cutting tool assembly can be used in producing meat products or other products capable of insuring that the products along the whole extension have same thickness.
用这种刀具组可生产肉制品或其它产品，这些肉制品或其它产品在它们的整个延伸上涉及到产品质量具有始终不变的稠度。
Mawu2 stratum is more poor than mawu1, mawu1 is the main gas producing formation depending on positive correlation between per well production and effective thickness.
从单井产能与有效厚度呈正相关关系来看马五1为主要产气层。
An exemplary embodiment of the invention provides a method for producing an ultra thin wall metallic tube by cold working method with significant wall thickness reduction.
本发明提供一种用冷加工法制造超薄壁金属管的方法。
An exemplary embodiment of the invention provides a method for producing an ultra thin wall metallic tube by cold working method with significant wall thickness reduction.
本发明提供一种用冷加工法制造超薄壁金属管的方法。
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