keep constant

短語詞組

短語

• keep in constant touch 常川往來
• keep in constant 保持常量;保持在恒定;隨時(shí)保持
• Keep a constant speed 保持恒速不變
• Please keep in constant contact 請(qǐng)隨時(shí)保持聯(lián)系
• keep the vacuum constant 保持真空度不變
• keep constant tperature container 保煖集裝箱
• keep the pressure constant 保持恒壓
• KEEP CONSTANT TEMPERATURE CONTAINER 保溫集裝箱
• Keep constant over a decade 十年如一日
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