Compressing the rings give them an initial tension; they press tightly against the cylinder wall.
受压使之具有预张力，活塞环就紧紧地压在气缸壁上。
Compressing the spring rod, the linkage connected mechanically to the rod of the single-acting cylinder turns the fuel regulating shaft to the stop position.
压缩弹簧杆，联动装置机械连接到单作用汽缸的杆上转动燃油调节杆到停止位置。
Estimates capacity and power required for compressing a gas mixture from an Inlet pressure to Desired Outlet pressure for a given cylinder diameter, rod diameter, stroke length and RPM.
此压缩机在线计算程序可计算从入口压力压缩到出口指定压力，在给定活塞直径、连杆直径、冲程长度和转速的情况下，压缩气体混合物所需的压缩机容量和功率。
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