Normal or linear strain is defined as the change in length per unit length . 正改应变或线应变由每单位长度内的长度改变量来定义。
Similar comments apply to torsion if the torsional moment and twist per unit length are constant throughout a member . 如果扭矩和单位长度上扭角沿杆件为常量,则上述的结论也可以用于扭矩。
Twist factors for cotton yarns ; turns per unit length 棉纱线捻度系数.单位长度的捻数
Hand - knotted carpets - determination of number of tufts per unit length 手工打结地毯绒簇经密纬密的试验方法
Seamless and welded steel tubes . dimensions and masses per unit length 无缝钢管和焊接钢管.尺寸及单位长度质量
Seamless and welded steel tubes - dimensions and masses per unit length 无缝和焊接钢管.尺寸和每单位长度的质量
Threads per unit length of backing 单位面积重量
Leakance per unit length 每单位长度的漏泄电导
Dimensions and masses per unit length of steel pipe for petroleum and natural gas 石油天然气输送钢管尺寸及单位长度重量
Discuss on the computational equation for the head loss of the unit length of pipe 关于管道单位长度水头损失计算公式的探讨