垫: put sth. under sth. else to ...的: 4次方是 The fourth power of 2 i ...行程: route or distance of travel; ...垫枕: bolster位移: displacement; shift; drift; ...垫的行程: pad travel轨枕位移: displacement of sleepers风的行程: run-of-wind缓冲的行程: buffer stroke艰难的行程: hard journey漫长的行程: long route筛的行程: stroke of sieve预定的行程: itinerary中间的行程: mid travel非必要的行程: non-essential trip缓冲器的行程: buffer stroke一小时的行程: an hour's march卸料板位移(行程): auswerferweg活塞的行程容积: displacement of compressor; displacement of piston机构的行程速度: running speed列后决定的行程表: final itinerary气动装置的行程: stroke of pneumatic actuator输出装置的行程: weg am geber master cylinder stroke输入装置的行程: weg am nehmer slave cylinder stroke主操纵机构的行程: primary control travel