pressure marks meaning in English

压力陡度，压力梯度

Coil coated metals - test methods - resistance to blocking and pressure marking
卷材覆层金属.试验方法.耐粘结性和压力标记
Coil coated metals - test methods - part 24 : resistance to blocking and pressure marking
盘绕涂覆金属.试验方法.第24部分:抗屏蔽和压力标记
Coil coated metals - test methods - part 24 : resistance to blocking and pressure marking ; german version en 13523 - 24 : 2004
卷材覆层金属.试验方法.第24部分:耐粘结性和压力标记