求翻译：1.支承衬套镶在导向套(材料为球墨铸铁)内径凹槽处，对活塞杆起导向及支承作用，其内径与活塞杆外径的最佳设计间隙为0.08-0.16mm。小于0.08mm时，活塞杆运动阻力大，油缸发颤，支承衬套磨损加快，严重时伴有异响，失去支承作用；间隙超过0.16mm时，则易与活塞杆发生偏磨，衬套单边受力，导致油缸泄漏，活塞杆带油。是什么意思？

A bearing bushing fitted in the guide sleeve (for the ductile iron material) the inner diameter of the groove, the piston rod from the guidance and support, the best design clearance of its diameter and piston rod diameters of 0.08-0.16mm. Less than 0.08mm, the movement of the piston rod resistance,

1.support bushing inserts in guide (nodular) material for the inner recesses of the piston rod, used to guide and support, the ID and OD of the piston rod clearance best design for 0.08 - 0.16 mm . When less than 0.08 mm, and rod resistance, cylinders, the fibrillation support bushings wear out fast

1. supporting bushings inlay in the guidance set (material for modular cast iron) the inside diameter scoop channel place, plays the guida

1. bearing bushing insert in the Guide sleeve (material is ductile iron) inner diameter of Groove, guiding and supporting role to the piston rod, the bore and outside diameter of the piston rod 0.08-0.16mm the best design gap. Less than 0.08mm, the resistance to motion of the piston rod, cylinder tr