A.手持應變儀;0.01mm B.立式收縮儀;0.01mm C.手持應變儀;0.001mm D.立式收縮儀;0.001mm
A.不低于10℃;72h B.溫度(20±5)℃;72h C.不低于10℃;4D D.溫度(20±5)℃;4D
A.2h;4h B.2h;3h C.3h;4h D.4h;5h