側架上弦桿 的英文怎麼說
中文拼音 [zhāijiàshàngxiángǎn]
側架上弦桿
英文
side frame tochord-
Cross - check the main roof truss roof installation quality of the surface is not perpendicular to the vertical center two blocks ; roof surface pressure chord of the roof truss vertical bending side, we must ensure that such errors do not exceed the allowable deviation to ensure roof stability and comply with the design requirements of the state by force
屋架安裝質量主要檢查屋架跨中對兩支座中心豎向面的不垂直度;屋架受壓弦桿對屋架豎向面的側面彎曲，必須保證上述偏差不超過允許偏差，以保證屋架符合設計受力狀態及整體穩定要求
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