non-return

英 ['nɒnrɪt'ɜːn] 美 ['nɒnrɪt'ɜːn]

• 止回,不再发情

词汇搭配

• ball non-return valve 单向球阀
• non return 不返回的
• non return valve 止逆阀,单向阀...
• non return finger 单向指档
• non-return foot valve 止回底阀
• non-return valve 单向活门,单向阀...
• non-return flap valve 止回阀
• double non-return valve 双止回阀
• non-return flap 止回瓣
• non-return trap 止回汽水阀
• non-return device 单向装置