短語詞組短語sieve e tube 篩管細(xì)胞;篩管sieve -tube element 篩管分子sieve tube member 篩管節(jié)vessel form sieve tube 導(dǎo)管型篩管sandy sieve tube method 砂濾管slotted sieve tube 割縫篩管sieve tube element 篩管分子 返回 sieve tube