单冲程铃 single-stroke bell

单缸二冲程发动机 single cylinder two-stroke motor ; stroke motor

单柱可控冲程压直机 stroke-controlled single column straightening press ; controlled single column straightening press

双冲程单动式 two-stroke single-acting

二冲程单作用的 two-stroke cycle single-acting

二冲程单作用式 two stroke single-acting type

单缸四冲程 Single-cylinder four-stroke

单缸二冲程策念头 single cylinder two-stroke motor

单脉冲编程模式 SINGLE PULSE Program Mode