【运输】接触屏幕【物理】接触屏幕，打印表面的照像工艺，生产

preliminary contact

multiple contact high-pressure molding machine

plug contact

wire race rolling-contact bearing

rolling-contact bearing with rolling bodies circulating partly without carrying load

self-aligning sliding-contact bearing

double-direction angular contact thrust ball bearing

magnetic, reinforcement of contact pressure for thermostats