管道运输（Pipeline transport）

[名词解释] passive transport（被动运输）

[名词解释] cellular transport (细胞运输)

[名词解释] active transport (主动运输)

[名词解释] 主动运输（active transport）

[名词解释] 被动运输（passive transport）

[名词解释] 联合运输 combined transport

[名词解释] 直达运输 through transport

[名词解释] 中转运输 transfer transport

[名词解释] intracellular transport (胞内运输)

[名词解释] transcellular transport (转细胞运输)