国产真人无码免费视频|亚洲国产成人精品女人|一本久道久久综合狠狠老|人人做天天爱夜夜爽中字|在线欧美视频免费观看国产|亚洲aⅤ无码专区在线播放|精品国产一区二区三区av片|亚洲一区二区三区美女制服丝袜

Product parameters: Two lower molds move alternately at a 90 ° right angle on the same plane. The first mock examination forming work, the first mock examination taking parts outside, high operation safety, can improve production efficiency by 30% -50% The skateboard is located on both sides of the studio and can be operated by one person alone, saving more than 40% of labor.