更换或修复必要的民生资产。
The necessary livelihoods assets are replaced or rehabilitated.
主要是液压管损坏或液压油管接头密封不严，应及时更换或修复，杜绝漏油。
Is mainly the hydraulic pipe damage or the hydraulic fluid pipe connection seal is lax, should replace or the repair promptly, ceases the oil leak.
调整，修复或更换卡车拖车系统零部件，包括结构，刹车系统和电气系统。
Adjust, repair or replace parts and components of truck-trailer systems including structural, brake and electrical systems.
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