| 摘要 |
FIELD: building, particularly light-weight truss structures, arch girders, etc. ^ SUBSTANCE: frame structure comprises upper and lower belts connected by posts and cross-bars one to another. Posts have Z-shaped cross-sections and walls thereof face the belts. Odd-numbered and even-numbered posts are installed so that flanges thereof are oriented in reverse order. Cross-bars are connected to post walls. ^ EFFECT: reduced lack of alignment relative structure plane and reduced material consumption. ^ 3 dwg
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