THROTTLE AND CHECK VALVE 节流附逆止阀
throttle check valve
节流阀止回阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Check with throttle valve, order were often combined into one-way throttle valve, etc, unidirectional order valve use.
单向阀还常与节流阀、顺序阀等组合成单向节流阀、单向顺序阀使用。
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