反推运动(In the horizontal continuous casting process, the push-back motion of a strand is sometimes employed to compensate the amount of shrinking during solidification. 在水平连铸的过程中,为了补偿凝固收缩量,铸坯常常做反推运动。)
推拉式酸洗生产线(Installation of a $ 20 million, 720,000- tonne/year push-pull pickle line continues with operation expected to start during the second quarter of 2013.这条推拉式酸洗生产线价值2000万美元,年酸洗能力72万 t, 目前安装工作正继续进行,预计于2013年第二季度投产。)