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TOEFL IELTS BNC: 5127 COCA: 5952
valve

noun

ADJECTIVE | VERB + VALVE ADJECTIVEsafety安全閥shut-off截止閥non-return, one-way止逆閥;單向閥exhaust, inlet排氣閥;進氣閥drain, pressure-relief排水閥;減壓閥fuel, water, etc.燃油閥、水閥等heart, radiator, etc.心臟的瓣膜、散熱器閥門等faulty, leaking有故障的/滲漏的閥門VERB + VALVEfit, install安裝閥門The plumber will fit some new safety valves.水暖工將安裝幾個新的安全閥。open打開閥門You need special tools to open the valve.這種閥門要用專門的工具打開。close關閉閥門

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