First and second trocar valves are positioned within the cannula body end housing and each having an opening in a medial portion thereof.
第一和第二套管针活门定位在套管主体端盖内，并且各自在其中间部分具有开口。
Many small cities across China's vast interior are still waiting for improved rail and road connections, while a paucity of decent low-end housing is a growing social problem nationwide.
中国广袤的内地还有许多小城市仍在等待铁路与公路网的完善，而低端体面住宅的缺乏，正日益成为全国性的社会问题。
The 3D elastic-plastic finite element model for the stretch forming of automobile wheel hub end housing was established, and the deep drawing process was numerically simulated by MARC software.
建立了汽车轮毂端盖拉伸成形三维弹塑性有限元模型，并利用MARC软件对其拉伸变形过程进行了数值模拟。
The 3D elastic-plastic finite element model for the stretch forming of automobile wheel hub end housing was established, and the deep drawing process was numerically simulated by MARC software.
建立了汽车轮毂端盖拉伸成形三维弹塑性有限元模型，并利用MARC软件对其拉伸变形过程进行了数值模拟。
应用推荐