主要是明显的尺寸效应和凝固、收缩、应力等问题，避免或减少铸铁井盖的成分偏析、变形、开裂等缺陷的产生。
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.
疲劳强度低于弹性极限或屈服强度等静应力强度。
Fatigue strength is less than static stress strength such as elasticity limit, yield strength.
在汽轮机调峰运行方式中，由于启动或负荷大幅度波动，都将在汽缸壳体等部件上产生较大的热应力。
The high thermal stress on the cylinder of a running engine could be caused by the starting and large variation of the load.
架空线路应力控制气象条件的判定，需要考虑控制气象条件及弧垂限制等条件，一般采用临界档距判定法或试推比较法处理。
In order to judge the climate condition control of overhead-line stress, it is of necessity to take account of climate condition control and hang-arc-distance restraint.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
给出了钢带精密传动系统载荷、应力计算和参数设计公式，并对系统张力确定及带轮轴线或调整等问题进行了探讨。
The load and stress calculation and the parameter design formula of the precision steel belt drive system are given in this paper.
指具有一定地球物理效应的区域或空间。如地球内外存在的重力场、地磁场、地电场、地热场、地应力场等。
Geophysical field - Domains or Spaces contain certain geophysical effect, such as gravitational field, geomagnetic field, geothermal field etc.
当椎板切除术累及高应力部位(颈2或颈7)，术前存在颈椎序列变化，小关节受累等可能影响术后颈椎曲度与活动度。
With preoperative cervical sequence changes, high-stress position (C2 or C7) and small joint involved, the postoperative cervical alignment and rang of motion may be affected.
当椎板切除术累及高应力部位(颈2或颈7)，术前存在颈椎序列变化，小关节受累等可能影响术后颈椎曲度与活动度。
With preoperative cervical sequence changes, high-stress position (C2 or C7) and small joint involved, the postoperative cervical alignment and rang of motion may be affected.
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