外径

Sharp-edged nozzle and flat-faced nozzle with different ratios of outside diameter to inside diameter are used in these experiments.

实验中采用了不同内径的尖锐稜边喷嘴及具有不同端面外径与内径比值的非尖锐稜边喷嘴。

Shielded flexible cable : not less than the overall diameter of cable by 6 times.

有屏蔽层结构的软电缆，应不小于的电缆外径的6倍。

objectiveto explore the drain way to tear with inferior lacrimal passage ruined critically.methodsthe special silicon tube whose bore 1mm and diameter 2mm was inserted between conjunctival sac and nasal vestibule,the tube was placed under the soft tissue of bucco-nasal groove and in the surface of the protrusion of upper jaw bone.resultsthere were 32 patients who undergone tube above five years.one patient of them was pulled out the tube because of papilloma hyperplasia,the other patient was pulled out the tube with the tube slide below,and the rest 30 patients kept the drain well and co

目的探讨下泪道破坏严重时泪液引流途径。方法在结膜囊-鼻前庭间安置一个内径1mm、外径2mm的特制硅胶导管，此管置于鼻颊沟软组织下，上颌骨前突表面。结果治疗32例，观察5年以上，其中1例因结膜乳头状瘤增生而拔管，1例因导管下滑而拔管，30例引流良好，病人亦能耐受。本文就引流机制、并发症、机体耐受问题和操作进行了详细地讨论。结论泪道外插管是下泪道严重损害时泪液引流的一种较好的解决方法。皮下；结膜鼻腔造瘘术；硅胶导管

Straightedge rule (square rule, slide gauge, inside andoutside micrometer, steel tape, feeler, dial gauge, depthmicrometer, wire gage, radius gage, thread pitch gage) is a kind ofcommon measuring tool.

直尺（角尺、游标卡尺、内径和外径千分尺、钢卷尺、塞尺、千分表、深度千分尺、线规、半径规、螺距规）是一种常用量具。

The new recommendation presented for the use of second generation Microcuff with improved OD to ID ratio allows the selection of cuffed tracheal tubes with larger IDs than previously recommended for small children without increased need for tracheal tube exchange or increased incidence of post intubation stridor in these age groups .

这一新的推荐套囊导管，即使用改善外径和内径比的第二代微囊PETs，比以前推荐的管子用于较小的儿童时，可以选择更大内径的套囊气管导管而不会增加相同年龄组气管导管的更换率或增加插管后喘鸣的发生率。

The new recommendation presented for the use of second-generation Microcuff PETs with improved OD to ID ratio allows the selection of cuffed tracheal tubes with larger IDs than previously recommended for small children without increased need for tracheal tube exchange or increased incidence of post-intubation stridor in these age groups .

这一新的推荐套囊导管，即使用改善外径和内径比的第二代微囊PETs，比以前推荐的管子用于较小的儿童时，可以选择更大内径的套囊气管导管而不会增加相同年龄组气管导管的更换率或增加插管后喘鸣的发生率。

The length of the vascularized dorsal latissimus flap pedicled with the subscapular artery was 12.2±2.3cm. collateral circulation was developed in 1 cas during postoperative 4 month's follow-up.

结果肩胛下动脉起始外径(3.9±0.3)mm，设计的带肩胛下动脉的血管化的背阔肌瓣长(12.2±2.3)cm，临床观察肌瓣肿胀不明显，术后四月肢端血氧饱和度明显增高。

The ruby material has the characteristics of extremely hardwear-resistant, we do the precision grindingpolishing by using sophisticated equipment under these characteristics, coupled with advanced technology, the roughness of bore, surfaceR place will be reached over Ra0.025, therefore the rate of damage will be extremely low.

本产品是利用红宝石材料具有极其坚硬和耐磨的特点，用精密设备对其进行精密的磨削加工和抛光，加上先进的工艺，使内孔和外径及R处的粗糙度达到Ra0.025以上，在使用中对漆包线的损伤概率极低。

Cable with copper-plastic compound tape shielding and cable with aluminum-plastic compound tape shielding can be designed with similar consideration.

铜塑复合带屏蔽型电缆及铝塑复合带屏蔽型电缆的外径可以按相同设计考虑。

A small four-wheel tractor air BALANCING VALVES brake valve tappet is made of plastic, and its diameter and length are often vulnerable to the effects of thermal expansion and contraction changes, resulting in air brake failure.

小四轮拖拉机的气制动阀挺杆是由塑料制成的，其外径、长度往往易受热胀冷缩的影响而改变，导致气制动阀失灵。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。