Effectiveness These cookies permit us to improve the web page’s functionality by monitoring use on this Web-site. De-selecting these cookies may bring about improperly-personalized tips and gradual internet site overall performance. 我们认为重量越轻越好，因为更轻的设备其携带舒适性就越高。家用电器的重量较轻也是优势，因为这样就能更轻松地进行运输。对于许多其他产品也是如此。 We use cookie... https://jonaht875anz8.rimmablog.com/profile