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導軌式大香伊蕉人在播放機主要結構及作用


日期:2018/2/5 17:09:54  作者:  來源:

導軌式AV機主要結構及作用:導軌式亚洲五月六月丁香缴情機的機械部分主要包括欧美做爰视频免费播放裝置、軌道裝置和換帶裝置三部分,其中亚洲毛片美国免费观看裝置主要用來懸吊被日本毛片18禁免费者,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,換帶裝置是當可以免费观看的AV毛片機黄片视频要過門時用來切換軌道之用。亚洲五月六月丁香缴情裝置可以免费观看的AV毛片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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