This instrument is made based on the principle that forces interact with each other. Our top physicists have come up with a formula, which is the data obtained by multiplying your pulling force, which is the body's ability to withstand a blow. The tester explained....
本网站所有内容均收录于互联网相关站点,本站不提供影片资源储存也不参与录制与上传,若本站收录内容侵犯了您相关权益,请给我们留言,我们将及时进行处理。