A.溫度(23±2)℃、相對(duì)濕度(60±15)% B.溫度(20±2)℃、相對(duì)濕度(50±15)% C.溫度(20±2)℃、相對(duì)濕度(60±15)% D.溫度(23±2)℃、相對(duì)濕度(50±15)%
A.伸直性 B.外形尺寸 C.最大力總伸長(zhǎng)率 D.規(guī)定非比例延伸力
A.1.2mm B.1.5mm C.2.0mm D.3.0mm