Along with the lowering of the load capacity of the derrick, the strain parameters of the structure change accordingly.

与承载能力降低的同时，井架结构的应变参数也发生相应的变化。

youdao

Along with the lowering of the load capacity of the derrick, the strain parameters of the structure change accordingly.

与承载能力降低的同时，井架结构的应变参数也发生相应的变化。

youdao