There were connecting vessels between the villi arteriole and the villi venule at the tip of the villi, and they form a precapillary arteriovenous anastomosis.
绒毛微动脉在顶部与绒毛微静脉有交通支，形成毛细血管前动静脉吻合。
Combining matrix method with finite element method, quantitatively analyzes the rigidity of bolts-flanges connecting system of pressure vessels.
用矩阵分析与有限元相结合的方法，定量地分析确定压力容器螺栓法兰连接系统的刚性。
The utility model relates to a slide block-connecting rod type door cover opening and closing device, which is suitable for being used in the fields of vessels, vehicles, hydraulic engineering, etc.
本实用新型涉及一种适于在船舰、车辆、水利工程等领域使用并采用动力缸驱动的滑块-连杆式门盖启闭装置。
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