n.(金属)伸长计,变形测量计,测量其他材料弹性张力的伸长计
Measurement of the lateral strain can be accomplished using a lateral extensometer.
侧向应变可用侧向引伸仪来测量.
The weight of the extensometer is balanced by means of a counterweight.
利用一个配重来平衡引伸仪的自重.