distance liner 定距离套管 ; 定距套管
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。
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.
小汽车班列作为中铁特货汽车物流公司的品牌运输产品，具有运距长、速度快、运量大、利润率高、组织形式简单等特点。
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