pipe-still

... pipestemoxygensystem导管式供氧装置 pipe-still管式蒸馏釜 pipet吸量管，移液管 ...

 fractioning pipestill

... 原料feed 管式蒸馏釜fractioning pipestill 燃料油fuel oil ...

 tube still

... tube spanner 管子扳手 tube still 管式蒸馏釜 tube stockings 圆筒长袜 ...

 still

... pipe stem oxygen system 导管式供氧装置 pipe-still 管式蒸馏釜 pipet 吸（量）管，移液管 ...