The outer-body diameter of the plunger is cut just under production tubing drift to provide the maximum seal while the plunger moves fr eely.

当柱塞自由移动时，柱塞的外体直径刚好能够满足生产油管内径密封需求，提供最大的密封保障。

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Limb skin temperature may be surprised to discover the parents, extensive congenital arteriovenous fistula, can cause body diameter, growth, along with the children and increasingly obvious.

患肢皮肤温度升高可能是家长的意外发现，广泛的先天性动静脉瘘，可引起肢体增粗、增长，随着患儿的发育而逐渐明显。

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The results show that posterior height of vertebral body and Upper antero-posterior diameter of vertebral body are positive allometry.

结果表明，椎体后高、椎体上矢径呈正异速生长。

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Keeping their tunnels at approximately one body length in diameter seemed to ensure that the ants could catch themselves when they slipped and allowed the creatures to continue to dig.

BBC: Ant studies to aid design of search and rescue robots

One approach might be to say that in order to be considered a major planet, a body needs to be larger than a certain diameter.

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The brass-plated body has a 'real-feel' pen diameter of nine milimetres and is coated with quality soft-touch rubber.

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