A.試樣應(yīng)在(23±2)℃放置6小時(shí)后進(jìn)行裁取 B.每組試件在卷材長(zhǎng)度方向均勻分布裁取 C.避開(kāi)卷材邊緣50mm以上 D.N類卷材拉伸試樣為100mm×50mm
A.2.0mm B.3.0mm C.4.0mm D.1.5mm