洞口尺寸
- Opening size;dimension of opening
洞口尺寸-
GB/T5824-1986建筑门窗洞口尺寸系列
Size system of opening for doors and windows in building
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猫的胡子非常硬，像钢针一样，能量出洞口的尺寸。
Cat 's whiskers are very hard , like the wire , the energy of the hole size .
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并且用建立的模型系统研究了腹板洞口的形状、尺寸、位置等参数对梁腹板削弱型节点受力性能的影响。
In this research , parameters have been studied such as the shape 、 the size and the location of web opening .