养路领工员
By all accounts, Wilma Rudolph was a master at track and field.
从方方面面看,威尔玛·鲁道夫都是田径场上的大师。
The paper also explores the impact of track bed resistance, fastening resistance, filler resistance, and spacing between master block and slave block of the limit device on track stress and track deformation.
探讨道床阻力、扣件阻力、间隔铁阻力以及限位器子母块间隙对钢轨受力与变形的影响。
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