短语词组短語web -tension system 卷筒紙拉力調節裝置web tension device 卷筒紙拉力裝置web tension sensors 卷筒紙張力傳感器paper web tension 紙幅張力web tension indicators 卷筒紙張力指標web tension control 紙幅張力控制diagonal tension field web 對角張力腹板 返回 web tension