一、壓力表二通旋塞閥,壓力表三通旋塞閥概述：能夠?qū)﹂y位進(jìn)行快速準(zhǔn)確的判斷，對(duì)壓力表的測(cè)量準(zhǔn)確度進(jìn)行在線判斷，對(duì)壓力表進(jìn)行在線校驗(yàn)，壓力表在線拆除時(shí)閥門自動(dòng)關(guān)閉，對(duì)壓力表的取壓信號(hào)進(jìn)行緩沖及降溫