胖肚吸管,胖肚肚瓜子

玻璃胖肚吸管刻度吸管移液管带缓冲球a级1ml5ml10ml25m化验仪器
单标移液管 胖肚吸管 大肚移液管吸管1ml2ml5ml10ml 25ml50ml
天玻大肚吸管 刻度吸管胖肚移液管1/2/3/5/10/15/20/25/50/100ml
胖肚吸管1ml/2/5/10/15/20/25/50/100玻璃单标大肚移液管化验博美
大肚吸管大肚移液管实验室吸管胖肚1/2/3/5/10/15/20/25/50/100ml