Flangemember, noice silencer, tube end closure or connection device, and forming method and device.
法兰部件，消声器，管端闭锁或联结装置及其形成方法和装置。
2
The plastic inner cup member has plural, evenly spaced diagonal braces extending between and joining the axial flange and the radial flange of the inner cup.
内的塑料杯成员复数，均匀分布的扩大两者之间的对角括号和加入法兰轴向和径向法兰内杯。
3
The bottom plating is a principal longitudinal member providing the lower flange of hull girder.