In environments like this, requirements are effectively changing all the time and stability of requirements is a pipe dream.
在这样的环境下，需求随时都会发生有影响的更改，需求的稳定只是个白日梦。
The factors which influenced the stability of steel-lined reinforced concrete pipe with stiffener rings are discussed.
对影响带有加劲环的内衬钢管的稳定因素作了讨论。
According to the principle of equivalent stiffness, we analyze the stability of the whole pipe, and thereby get a theory formula of the critical load of the whole pipe.
根据刚度等效的原则，将井管整体进行稳定性分析，并得到井管整体稳定性临界荷载的理论计算公式。
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