extensometer extensimeter伸展计
asphalt extensimeter沥青伸长计
vacuum extensimeter真空伸长计
dial extensimeter刻度盘形变仪
an extensimeter伸长计
mirror extensimeter反光延伸仪
wire rope extensimeter钢丝绳伸长计
asphalt t extensimeter沥青伸长计
strain-gauge extensimeter变形测定器
N（名词） an apparatus for studying small changes of length, as in the thermal expansion or mechanical compression of a solid 变形测定器