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To check the carrier flow, put the injection mode in manual.
检查载气流量，将进样模式改为手动。
youdao
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The injection head can be manual operated or be fixed for easy operation and control.
喷头可手持或固定安装，操作简单、控制容易；
youdao
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The injection head can be manual operated or be fixed for easy operation and control.
喷头可手持或固定安装，操作简单、控制容易；
youdao