Greater height entails increased column and beam sizes to make buildings more rigid so that under wind load they will not sway beyond an acceptable limit.
更大高度要求增加柱和梁的尺寸以使建筑物更加坚固，在风荷载作用下建筑物才不会产生超过一个可接受限度的摆动。
Bone char, as a raw bone salt, may be used to reduce the fluoride concentration in drinking water to acceptable limit.
作为一种粗制骨盐的骨炭可用来降低饮水中氟含量达到饮水标准。
Bone char, as a raw bone salt, may be used to reduce the fluoride concentration in drinking water to acceptable limit.
作为一种粗制骨盐的骨炭可用来降低饮水中氟含量达到饮水标准。
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