permanent repair

基本解釋

Upon these, a tool which can repair permanent link is designed.
據(jù)此，設(shè)計(jì)了一個(gè)永久鏈路檢修工具。
An advantage of this type of saddle clamp was that permanent repair could be made by welding the steel piece to the pipe and then removing the bolted portions.
這類鞍形管卡的優(yōu)點(diǎn)是可對管道泄漏點(diǎn)進(jìn)行永久性修理，把鋼板和管子焊接，然后拆走螺栓部分。
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Although spontaneous healing of these structures can occur, and surgical repair may be possible, permanent loss of hearing can result.
雖然這些組織有時(shí)會自愈，手術(shù) 修復(fù)也是可能的，但是還是有可能會有永久聽力喪失的可能。