闭式单点双动拉伸压力机
straight side single point double action drawing press
单点单动压力机
one point single action press
单点单样
single-spot single-sample
简单拉伸实验
experiment of uniaxial tension
两点拉伸型条件
Two-point expansion condition
GPS单点测速
GPS absolute velocity determination
GPS单点定位
GPS single-point positioning
GPS single point positioning
GPS动态精密单点定位
GPS kinematics precise point positioning
GPS精密单点定位
GPS precise point positioning