<p style="box-sizing: border-box; margin: 0px; padding: 0px; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "\\5FAE軟雅黑", Arial, sans-serif; font-size: 16px;"><span style="box-sizing: border-box;">主要用于粗真空,抽氣量大的工藝過(guò)程中。它主要用來(lái)抽除空氣和其他無(wú)腐蝕、不溶于水含有少量固體顆粒的氣體,以便在密閉容器中形成真空。所吸氣體中允許混有少量液體。</span></p>
<p style="box-sizing: border-box; margin: 0px; padding: 0px; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "\\5FAE軟雅黑", Arial, sans-serif; font-size: 16px;"><span style="box-sizing: border-box;">它被廣泛應(yīng)用于機(jī)械、制藥、食品、石油化工等行業(yè)中。</span></p>