2) conceal-screw joint 暗螺钉钉拼3) open-screw joint 明螺钉钉拼4) splice bolt 拼接螺栓5) screw joints 螺钉连接 1. This paper performs the optimal design of the strength reliability of its screw joints,with optimal design and reliability design combined rationally. 微米木纤维模压制品是...
86型底盒开关盒50高红色工程款自攻螺丝钉底盒暗装开关插座线盒 50拼装红自攻线盒(1个) 京东价 ￥降价通知 累计评价 0 促销 展开促销 配送至 --请选择-- 支持 选择款式 50拼装白色自攻线盒(1个) 50拼装白色自攻线盒(10个) 50拼装白色自攻线盒(100个) ...