长: older; elder; senior行程: route or distance of travel; ...长行程的: long-stroke长划桨长行程: long stroke长行程发动机: long stroke engine; long-stroke engine; undersquare engine长行程减震支柱: long-stroke leg; long-stroke strut长行程液压修井机: hydraulic long stroke snubber超长行程柴油机: super-long stroke diesel engine超长行程发动机: ultimate long stroke engine气动长行程执行器: pneumatic long store servo长行: curnika; nagamichi; nagayuki超长行程十字头式柴油机: ultra long stroke cro head diesel engine; ultra long stroke crosshead diesel engine气动长行程执行机构: pneumatic long-stroke actuating mechanism双曲式长行程空气弹簧: double convolution long stroke airspring长行程液压不压井起下作业装置: long-stroke hydraulic snubbing unit长行部: prose长行军: the long march行程: 1.(路程) route or distance of travel; distance of run; length of travel; distance travelled; journey; flight 艰难的行程 hard journey; 漫长的行程 long route; 行程五千多公里 travel over 5,000 kilometres; 一小时的行程 an hour's march; 这将是一整天的行程。it will make a full day's march.2.[机械工程] stroke; throw; travel 活塞行程 piston travel; 滑枕行程 ram stroke3.[电学] range 长行星齿轮: long planet gear最长行走距离: maximum travel distance行程长度,行程: run length长凳,长行工作台,操作台: bench成一长行, 连续, 一连串: in a row空军部长行政助理: administrative assistant to the secretary of the air force半行程: half trip