日光温室前屋面支撑位置对实腹式骨架安全性的影响.

Autor: 齐 飞1,2 qf2008@188.com, 闫冬梅1,2, 魏晓明1,2
Zdroj: Transactions of the Chinese Society of Agricultural Engineering. aug2020, Vol. 36 Issue 16, p174-181. 8p.
Databáze: Academic Search Ultimate