短語(yǔ)詞組短語(yǔ)sieve e tube 篩琯細(xì)胞;篩琯sieve -tube element 篩琯分子sieve tube member 篩琯節(jié)vessel form sieve tube 導(dǎo)琯型篩琯sandy sieve tube method 砂濾琯slotted sieve tube 割縫篩琯sieve tube element 篩琯分子 返回 sieve tube