Shapen technological process and equipment of mold-made synchronous belt is introduced.
介绍模压法橡胶同型工艺流程及装备。
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This includes synchronous communication – like video calls, where all participants are online simultaneously – as well as asynchronous communication – like tweets, emails, and text messages, where people respond whenever they can or want.
这包括步通信——如视频通话,所有参与者——及异步通信——如推文、电子邮件和短信,人们可或需要随响应。