氣動卷揚機定義

    氣動卷揚機

    qidongjuanyangjishiyikongqiyasuojitigongdeyasuoqitiweidongliyuandeyizhongjuanyangji。qidongjuanyangjiyuchuantongdediandongjuanyangjixiangbi，qidongjuanyangjijuyoufangbao，fangchenjifangyetifeijiandengtedian，gengnengshiyingzaieliedehuanjingxiagongzuo，suoyiqidongjuanyangjiguangfandishiyongyuchuanbo，shiyoukaicai
，caikuangjidianlidengxingye。