keep constant
短语词组
- keep in constant touch 常川往來
- keep in constant 保持常量;保持在恒定;隨時保持
- Keep a constant speed 保持恒速不變
- Please keep in constant contact 請隨時保持聯系
- 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 返回 keep constant