这将避免接触到的化学品和潜在的石头松动的石头设置。
This will avoid a chemical contact to the stone and potential loosening of the stone setting.
它克服了铁底松动、接触不良等问题。
Practice showed that this design was workable to overcome the loose contact problems.
目的了解不同类型的髋关节假体柄与骨的接触面积，并探讨接触面积的大小与假体松动的关系。
Objective to elucidate the contact areas of stem-bone of the different type prostheses and probe into the relation between the contact areas and prosthesis loosening.
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