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primary xylem
释义
primary xylem
Encyclopedia
理学
〔植物形态与结构〕
释
primary xylem
初生木质部
维管植物的初生生长过程中,由原形成层分化产生的木质部。
Biology
primary xylem
初生木质部
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pass design of section
pass driving
Passenger
passenger cabin
passenger car
passenger cargo vessel
passenger conveyor
passenger flow
passenger flow guidance
passenger flow organization
passenger information service system
passenger information system
passenger liability insurance
passenger railway network
passenger ropeway
passenger ropeway accident
passenger service
passenger ship
passenger statistics
passenger terminal
passenger terminal layout
passenger traffics
passenger train line plan
passenger transfer efficiency
passenger transfer facility
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