比例方向閥，直動式，有集成控制電氣元件（OBE），帶電位置反饋和閥芯位置監測
規格6和10
安裝面按ISO4401
控制流量的方向和大小
比例電磁鐵操作
對中彈簧控制閥芯
可選階躍補償
型號 KKDS
2/2比例方向閥，直動式（高性能）

could be smelt beyond three miles. As a result， residents who were fascinated by the scent flocked to his ancestor‘s house and enquired if they could take a bowl of vinegar home. In addition， virtually the name indicated Zhang Sui’s family’s long-lasting love for vinegar making which Zhang Sui‘s mother， a lady of sixty years old， exemplified. “Those vinegar jars are part of my life. I cannot imagine a life without them. My mother‘s mother can lift them up even when she was eighty years old.”She said with excitement. To the family， perhaps， making vinegar had already become a way of life.