To damage threads to unserviceable condition.
螺纹损坏后不可用.
期刊摘选
Automatic temperature control unserviceable, cabin temperature goes below 10 degrees ( falls below plus 7 degrees ).
自动温度控制失效, 舱内温度降到10度 ( 下降到正七度 ).
期刊摘选
Unserviceable equipment may be replaced.
无用的设备会被替换掉.
期刊摘选
In case of missing, damage or unserviceable, It'shall be recorded and reported to the customer.
当发生损坏、丢失、不适用时, 应加以记录并向顾客报告.
期刊摘选
The surveillance radar is unserviceable.
监视雷达不工作.
期刊摘选