测量样气，从甲烷走完之后基线呈现锯齿状，通标准气体查看重复性也正常，走空针基线也是平稳，氮气做载气有轻微漏气会不会影响基线[img=,690,517]https://ng1.17img.cn/bbsfiles/images/2022/06/202206241829547664_5937_5045389_3.png[/img][img=,690,517]https://ng1.17img.cn/bbsfiles/images/2022/06/202206241829554788_986_5045389_3.png[/img][img=,690,517]https://ng1.17img.cn/bbsfiles/images/2022/06/202206241829556908_6402_5045389_3.png[/img][img=,690,516]https://ng1.17img.cn/bbsfiles/images/2022/06/202206241829553026_5851_5045389_3.png[/img]