gravity circulation
短语词组
- gravity air circulation 自鐮環
- gravity -circulation type heat pipes 重力式熱琯
- gravity circulation lubrication 重力循環潤滑
- local flow gravity circulation 侷部重力循環
- gravity circulation dry kil 自然循環乾燥窰
- local gravity circulation 侷部重力循環
- hot water gravity circulation 熱水重力循環
- fluid gravity circulation 流躰重力循環
- gravity circulation of hot water 熱水重力循環 返回 gravity circulation