凹筒形换能器
The barrel-stave transducer
薄壁筒形件
thin-wall tube
Thin walled Cylindric Parts
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
非倾侧式筒形混凝土拌和机
nontilting-drum concrete mixer
环筒形燃烧器
can annular type combustor
宽凸缘筒形件
wide flange drawing workpiece
球底圆筒形
spherical-bottomed cylindrical parts