The experimental research of the hydraulic resistance within Re =1×10 4～1×10 5 is carried out for the pin finned drop shaped tube at different attack angles by means of the wind tunnel .
利用风洞实验 ,研究了Re =1× 10 4～ 1× 10 5范围内滴形钉头管在不同攻角下的流阻特性 。
dropping pipette straight tip with latex rubber nipple
直形管尖附乳胶头滴点管
The Relationship between Intratumoral and Peritumoral Lymphangiogenesis and the Clinical and Pathologic Characteristics in Papillary Thyroid Carcinoma;
瘤内外淋巴管形成与甲状腺乳头状癌临床、病理特点的关系
Role of breast fiberoptic ductoscopy in the diagnosis of diseases with abnormal nipple discharge
纤维乳管内视镜在乳头溢液的乳腺疾病中的应用体会(附2653例分析)
burette with straight stopcock
带直路活塞的滴定管
Microsurgery for Vascular Malformations on Scalps(a Report of 12 Cases)
头皮血管畸形的外科治疗(附12例报告)
Clinical Application of Intraductal Endoscopy for Bilateral Pathological Nipple Discharge;
乳管镜在病理性双侧乳头溢液中的临床应用附659例报告
Study on the obturation effect of two tapered gutta-percha cone on canals with different shape
两种锥度牙胶尖侧方加压充填不同形态根管的效果
Effects of apical stop integrity and different root canal preparation techniques on apical sealing ability in straight root canals
根尖止点的完整性与不同根管预备方法对直根管根尖封闭性的影响
Treat obstruction of naso-lacrimal duct through lacrimal passages YAG laser formation associating with reverse imbeding silicone tube of spherical cephalon
泪道YAG激光成形联合鼻泪管逆行植入球头硅胶管治疗鼻泪管阻塞
Morphologic and Immunophenotypic Characteristics of Intraductal Papillary Neoplasms of the Breast;
乳腺导管内乳头状肿瘤的形态学和免疫表型特征
Influence of Emitter's Channel Wall Topography on Particle-Wall Adhesion
滴头壁面形貌对微颗粒与壁面黏附特性的影响
The Study of Online Testament of Inner Flat-dripper Drip Irrigation Tube Production Line
内镶扁平滴头滴灌管生产线在线检测研究
Morphology of intrapapillary capillary loop in nonerosive reflux disease
食管乳头内毛细血管环形态在非糜烂性反流病诊断中的价值
any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing.
各种海滨的软体动物，尖头的管状贝壳在每端都有开口，足尖如铲形适于挖掘。
A mark formed by or as if by a sharp end.
点由或仿佛由一个尖头形成的标记
Galactography in diagnosis of intradutal papilloma of the breast
乳腺导管造影对乳管内乳头状瘤的诊断价值
I steadily untwisted the top and inserted the eye dropper, lifted it up, and let drops out until the eyedropper was filled to the lowest dose.
我稳稳地旋开瓶盖，插入药用滴管，举起瓶子，让药水滴出直至滴满滴管的最低剂量处。
The tangs on the hose clamp must be positioned straight down.
必须将管夹中的尖柄垂直向下。