旋转压实密实曲线
gyratory compaction densification curve
炮眼压降
perforation pressure drop
四层密集烤房
four layers bulk curing barn
高压挤压充填
squeezing filling at high pressure
高压挤压法
high pressure extrusion method
关闭井口套管闸门形成的挤压压力
bradenhead squeeze pressure
滚压挤压机
hydraulic extrusion press
料层挤压粉磨
grinding material bed
grinding crushing material bed
玛碲脂挤压压缩气枪
compressed-air gun for the extrusion of mastics