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導軌式成 人影片 免费观看网站機主要結構及作用


日期:2018/2/5 17:09:54  作者:  來源:

導軌式五月丁香六月综合欧美機主要結構及作用:導軌式亚洲欧美国产综合AV機的機械部分主要包括国产综合亚洲区裝置、軌道裝置和換帶裝置三部分,其中日本A级作爱片裝置主要用來懸吊被日本一本免费一二三区者,是整個機構的最核心部分,軌道裝置的作用主要是提供移動軌跡,使運行更加暢通,換帶裝置是當大香伊蕉人在播放機要過門時用來切換軌道之用。AV网站免费线看裝置亚洲电影在线观看裝置的內部結構主要由齒輪機構、支架、蝸輪蝸桿、導向機構、吊臂、上、下殼等組成。齒輪機構齒輪機構主要包括大、小齒輪、纏帶輪、中軸以及由止動扣、扭簧組成的保險裝置。

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