單道單軌阻車器(qi)由兩(liang)根平行的(de)固(gu)定(ding)支(zhi)(zhi)座(zuo)和阻車桿、前支(zhi)(zhi)承(cheng)座(zuo)、后(hou)支(zhi)(zhi)承(cheng)座(zuo)及腳踏連(lian)動裝置組成，單軌阻車器(qi)固(gu)定(ding)支(zhi)(zhi)座(zuo)的(de)兩(liang)端(duan)分別固(gu)定(ding)在(zai)前支(zhi)(zhi)承(cheng)座(zuo)和后(hou)支(zhi)(zhi)承(cheng)座(zuo)上(shang)，阻車桿置在(zai)兩(liang)個固(gu)定(ding)支(zhi)(zhi)座(zuo)之(zhi)間(jian)
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