service dead load

• 工作恒载

service dead load的用法和样例：

例句

1. Only moderate deal load tensions are necessary.
   只需要有少许恒载张力。
2. To evaluate fracture instability, the total sum of stresses due to residual welding or rolling stresses, dead load, and live loads must be considered.
   计算断裂失稳性时，必须考虑焊接或轧制残余应力，恒载应力和活载应力之总和。