surface casing 表层套管
surface casing pipe 表层套管
surface casing strength 表层套管强度
surface casing cementing 表层套管固井
In the casing surface spray treatment, stainless steel box cover.
机壳表面喷塑处理，不锈钢箱盖。
It was covered with a casing of stones to smooth its surface (some of the casing can still be seen near the top of Khefre's pyramid).
它外面覆盖着一层石壁以使表面平滑(卡菲王金字塔顶部附近(Khefre ' s pyramid)仍然看得见一部分外壁)。
A new type surface testing machine of casing was designed and manufactured, its structure and working principle were introduced.
介绍了一种自行研制的套管表面形貌检测仪的结构、工作原理。
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