threadless

网络  无线公司; 无线; 与非螺纹式; 无螺纹前叉; 无牙

COCA.46151



双语例句

  1. Flangeless and Threadless valves and Fittings Applied in Water Supply Pipelines
    无法兰和无螺纹的连接装置在饮用水管道中的应用
  2. Some Infection Factors on Threadless Adhesive Binding Quality& Pondering on Upswing of Coal Geological Industrial Printed Matter Quality
    谈影响无线胶订质量的几个因素&关于提高煤炭(田)地质行业印品质量的思考