Usually it is put on a round-bottomed flask or several neck flasks. 通常它連接一個(gè)圓底燒瓶或一些長(cháng)頸瓶。
The reaction proceeds more smoothly if the round-bottom flask is shielded from draughts by being placed in an empty beaker. 如果圓底燒瓶置于空燒杯中,則可屏蔽氣流使反應進(jìn)行平穩。