C型双联圆筒形液罐
C-type bi-cylinderical vessel
凹筒形换能器
The barrel-stave transducer
薄壁筒形件
thin-wall tube
Thin walled Cylindric Parts
长筒形焊件
long tube - shaped weld workpiece
带槽筒形砂轮
cylinder wheel with dovetail groove
带罗纹的圆筒形针织物
combined rib-tubular knit
带凸缘筒形件
cylindrical cup with flange
单作用筒形活塞式发动机
single-acting trunk piston type engine