易混淆的单词： Duralumin

Introduction to construction method of fastening bolt on the lap surface of duralumin busbar .

硬铝母线搭接面螺栓紧固的施工方法探讨。

The structure adopts duralumin stuff after burned lacquer handling , the inner setting were non-gap double balls bearing screws and double oriented standing poles which were high precision ; it has a good load efficiency and steady structure .

机台结构采用经高级烤漆处理的硬铝型材，内置高精度，无间隙双滚珠螺杆及双导柱导向，提高了载荷效率和结构刚性。