The valve component matches the gap of the shaft hole of the cooker cover liner and axially has a certain floating distance.
阀体组件与锅盖内衬轴孔间隙配合，且轴向有一定的浮动距离。
2
Car liner trains is the main products of CRSCAL Company and it has the characteristics of long transportation distance, high speed, high volume, high profit and simple organization.