assemble welding是什么意思

用法例句

The structure features of 1 000 MW ultra-supercritical turbine produced by Siemens Corporation,the type of LP(low pressure) outer cylinder structure and its assemble welding procedures were introduced.

介绍了西门子公司1000MW汽轮机的结构特点、低压外缸的结构型式及组合焊接程序。