The off-farm dependent household's planting structure was complex.
兼业户的种植结构复杂。
Simple, compact structure, quick 90 degree on-off operation.
结构简单、紧凑， 阀体90度回转启闭迅速。
Q41 series factory ball type, for two off-type structure.
本厂球系列为Q41型，为对开二片式结构型式。
It is the only public structure sealed off by film structures in the world.
是世界上唯一一个完全由膜结构来进行全封闭的公共建筑。
It is the only public structure sealed off by film structures in the world.
是世界上唯一一个完全由膜结构来进行全封闭的公共建筑。
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