A small gap that can form between the casing or liner and the surrounding cement sheath, most commonly formed by variations in temperature or pressure during or after the cementing process.
在套管或衬管与周围的水泥环之间所形成的小间隙，这些间隙是由于在固井期间或固井之后温度或压力的变化所致。
The urethane liner is cast in place to form a continuous liner throughout the entire body, chest, packing chamber and flange face area.
氨基甲酸乙酯衬垫采用定点浇铸工艺，在整个阀体、阀腔、填料腔和法兰面区域表面形成全面连续的覆盖衬垫。
Cylinder-piston system is the heart of internal-combustion engine. Cylinder liner cavitation is one of main disabled form.
缸套—活塞系统是内燃机的核心构成，缸套穴蚀是内燃机缸套的主要失效形式之一。
The simplest polymer which can be envisaged consists of the repetition of a single structural unit many times over to form a liner homopolymer.
可以想象，最简单的聚合物是由一种结构物单元重复多次形成一个 线型 均聚物。
W type liner that can form annular jet is adopted as the forward charge and the wide Angle shaped charge is adopted as the follow through one.
设计了一种第一级能够形成环形射流的W型聚能装药，第二级采用大锥角聚能装药的串联战斗部，并且通过试验研究了该种战斗部对靶板的毁伤效果。
With asbestos cement mortar pipe being used as inner liner, concrete is cast to form hollow slab.
以石棉水泥砂浆离心管作为内模衬管，浇筑混凝土后构成现浇混凝土空心板。
With asbestos cement mortar pipe being used as inner liner, concrete is cast to form hollow slab.
以石棉水泥砂浆离心管作为内模衬管，浇筑混凝土后构成现浇混凝土空心板。
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