推挤拉伸工艺
piston-extrusion-stretching process
双轴拉伸聚丙烯
biaxial oriented polypropylene
biaxially oriented polypropylene
深拉伸双壁容器
Deep draw double wall containers
疲劳拉伸机
Fatigue elongation machine
微拉伸黏结强度
micro-tensile bond strength
Microtensile bond strength