亚洲熟妇一区二区蜜桃在线观看,在线观看国产自拍视频,白白色日韩免费在线观看,99热婷婷一区二区三区,精品不卡视频在线网址,亚洲熟女av在线观看,国产精品亚洲一二三区,国产夫妻精品自拍视频,亚洲婷婷久久播66性av,视频区一区二在线观看

Video Explanation

1. Tensile: test method for determining the physical properties of samples under the axial tensile load. The elastic limit, elongation, modulus of elasticity, tensile strength, yield point, yield strength and other tensile properties of the sample can be determined by the data obtained from tensile test.

2. Application: noodles, powder strips, films, chewing gum, pizza, round cakes and other elastic samples.