适用于供抽吸液体或在注入液体后立即用的手动注射器。
Suitable for pumping fluid or inject fluid in the manual syringe immediately after use.
顶空瓶作为气体稀释和采集的仪器，采用顶空自动进样方式，避免了手动进样时进样量、进样注射器等因素带来的误差；
The head space bottle was used to be the instrument for diluting and collecting gas, which avoided errors form injection by hand and other factors;
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