2ml大概是多少图片,

2ml透明色谱进样瓶
包邮透明玻璃瓶精油瓶1ml2ml3ml精油分装空瓶精油调配瓶小药瓶
1ml 2ml 3ml 5ml 10ml plastic prefilled disposable desechable
2ml棕色玻璃样品瓶
进样瓶senge2ml