Punch for punch, Google+ reproduces some of Facebook's most popular tools but adds one distinctive function: video chat.
还击。 Google+复制了facebook上最流行的功能并且还增加一个特别的功能：视频聊天。
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Abstract: During the service life of a bridge, it is impossible to avoid damage accumulation and function degeneration due to traffic load, environmental corrosion and accidental punch.
The machine is characterized as precise, compact and mutiple-function. It is composed by three parts-calender, roll-cut moulding or punch-print moulding, remaining material recycling.