......朋友不需要太多... Allowable cargo load 容许载货量 Allowable deflection 容许挠度[变位] Allowable dimension variation 允许尺寸偏差 ...
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短语
容许挠度[变位
Allowable deflection
构件挠度容许值
allowable value of deflection of structural member
受弯木构件挠度容许值
allowable value of deflection of timber bending member
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