2690| 4
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求助:拉馬的液壓缸體學(xué)名叫什么 |
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點評
帶節(jié)流的螺紋插裝閥,,它是把高壓腔里的油液通向油箱開關(guān),,類似千斤頂?shù)拈_關(guān),外裝管式的手動開關(guān),。
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