螺栓荷载是用死荷重来模拟的，以钢球和压钮作为代用件，通过它们将此荷载施加于螺栓孔。
Dead weight loading simulating that of the bolts was applied at the bolt holes through the agency of steel balls and buttons.
螺栓荷载是用死荷重来模拟的，以钢球和压钮作为代用件，通过它们将此荷载施加于螺栓孔。
Dead weight loading simulating that of the bolts was applied at the bolt holes through the agency of steel balls and buttons.
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