stroke distance

The oil production practice shows that the hydraulic pumping unit is a new type production equipment with a series of advantages , such as high economic benefit in production , low weight , little volume , stepless adjustment of stroke distance and speed etc.

液压抽油机是已被国内外油田生产实践所证实了的具有采油经济性好、重量轻、体积小、冲程长度及冲程次数可实现无级调节和工作性能优越等特点的新型抽油设备。

The Relationship of Stroke Rate and Distance Per Stroke and It 's Influence on Boat Velocity of Rowing in Elites

世界优秀赛艇运动员桨频与划距关系及其对艇速的影响研究

Well , I use breast stroke for long distance , crawl or free style for short distance and back stroke just for fun .

嗯，远距离离用蛙泳，短距离用爬泳或叫自由泳，仰泳只是游着玩玩。

Under the situation of having no precision requirements about ( advance - ) to return-time ratio , slider stroke and offset distance etc. , a useful method was provided in order to improve the effective force transmission performance of slider-crank mechanism .

在行程速比系数、滑块行程和偏距等没有精确要求的情况下，为提高曲柄滑块机构有效的力传动性能，提供了一种实用的方法。

The Bore is the diameter of the cylinder . The stroke is the distance the piston travels from BDC ( Bottom dead center ) to TDC ( top dead center ) . The Bore is always mentioned first .

这个活塞上下活动，没有响声。内径指的是气缸的直径；行程是活塞从下止点运行到上止点的距离。表述时，内径总是写在前面。

In Medley relays , each swimmer swims one stroke for the set distance ; the order is backstroke , breaststroke , butterfly , and free style .

混合泳接力赛中，每位运动员以一种姿势游一定的距离，（游泳姿势）的顺序依次是仰泳，蛙泳，蝶泳和自由泳。

Age , sex , stroke specialty and what distance you swim , along with your physical makeup , are all incredibly important factors in determining how much yardage you should do in practice .

年龄、性别、划水特异性或者你能游的距离，以及你的体能训练状况等等，这些都是用来决定你在训练中究竟需要游多长距离的最重要的因素。