2A12铝合金传感器型材
2A12 aluminium sensor profile
高速动车组长大型材
long and large structural sections for high-speed EMU
钢铁型材
iron and steel material shaped
非对称断面型材
non-symmetry section channel
电泳涂漆型材
electrodeposition coated profiles
电泳涂漆铝型材
electrophoretic painted aluminum profiles
等边型材
extruded profile with equal edges