介绍橡胶软管的压力等级，高压、甚高压和超高压软管一般均用钢丝作为增强材料。
To introduce the pressure grade of rubber hose. Steel wires are usually used as reinforcement material in high, even high and super-high pressure hose.
介绍橡胶软管的压力等级，高压、甚高压和超高压软管一般均用钢丝作为增强材料。
To introduce the pressure grade of rubber hose. Steel wires are usually used as reinforcement material in high, even high and super-high pressure hose.
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