... 对角线;对角线的：diagonal 对角式通风：diagonal ventilation 对角工祖：diagonal face ...
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diagonal ventilation system 对角式通风系统
central diagonal ventilation 中央对角式通风
two-way diagonal ventilation system 两翼对角式通风
diagonal l ventilation 对角式通风
diagonal flow ventilation 斜流通风
one-winged diagonal system of ventilation 单翼对角式通风系统
two-winged diagonal system of ventilation 两翼对角式通风系统
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