aging crack

基本解釋

In a circuit, check key check whether the insulation wiring occurs, aging, soften crack damage.
在檢查電路時(shí)，應(yīng)重點(diǎn)檢查電線的絕緣層是否發(fā)生軟化、老化、裂損。
Aging, damage and crack are detected out in many bridges for the reasons of design, construction, management, natural disasters and so on.
由於設(shè)計(jì)、施工、琯理、環(huán)境腐蝕、自然災(zāi)害等原因，目前已有不少橋梁發(fā)生老化、破損、裂縫等現(xiàn)象。
At present, some bridges appear aging, damage and crack for some reasons, such as design, construction, management, natural disasters and so on.
由於設(shè)計(jì)、施工、琯理、環(huán)境腐蝕、自然災(zāi)害等原因，目前已有不少橋梁發(fā)生老化、破損、裂縫等現(xiàn)象。

Then in 1991 murders gradually declined, a circumstance police attributed to an aging crack population.
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