核心组件
PLC, 发动机, 轴承, 齿轮箱, 电机, 压力容器, 齿轮, 泵
bending
sheet plate steel rolling machine
rolling
plate sheet iron bending
bend for 1
boiler, hydropower, petroleum
bend for 2
chemical mill, shipbuilding
roll
round cylinder, cone, conical
roll 4
oil tank, water tank
name
plate bending machine