管式Y(jié)定位J復(fù)位三位四通M液壓手動換向閥34SO-L10H-L20H-L32H-T-W 34SO-L10H-T 上海型31.5mpa,34SM-L10H-T 上海型31.5mpa, 34SY-L10H-T 上海型31.5mpa,34SH-L10H-T 上海型31.5mpa, 34SO-L10H-W 上海型31.5mpa,34SM-L10H-W 上海型31.5mpa, 34SY-L10H-W 上海型31.5mpa,34SH-L10H-W 上海型31.5mpa, 34SO-L10H-T或W 榆次型21mpa,34SM-L10H-T或W 榆次型21mpa, 34SY-L10H-T或W 榆次型21mpa,34SH-L10H-T或W 榆次型21mpa, 34SO-L20H-T或W 上海型31.5mpa,34SM-L20H-T或W 上海型31.5mpa, 34SY-L20H-T或W 上海型31.5mpa,34SH-L20H-T或W 上海型31.5mpa, 34SO-L20H-T或W 榆次型21mpa,34SM-L20H-T或W 榆次型21mpa, 34SY-L20H-T或W 榆次型21mpa,34SH-L20H-T或W 榆次型21mpa, 34SO-L32H-T或W 上海型31.5mpa,34SM-L32H-T或W 上海型31.5mpa, 34SY-L32H-T或W 上海型31.5mpa,34SH-L32H-T或W 無錫油研YOUYAN,上海型31.5mpa