床身采用焊接结构，经高温退火消除应力，整体机身由进口大型龙门加工中心精

床身采用焊接结构，经高温退火消除应力，整体机身由进口大型龙门加工中心精密铣削加工，可保持床身精度高，常年使用不变形

結果 (英文) 1:

Bed of welded structures, by high temperature annealing and stress relieving, whole body by precision milling of large gantry machining center imported, can keep the bed high accuracy, year-round without distortion

結果 (英文) 2:

The bed is welded structure, high temperature annealing to eliminate stress, the whole body from imported large gantry milling precision machining center can maintain high precision bed, all year round with no distortion

結果 (英文) 3:

The bed is made of welded structure, the high temperature annealing to eliminate stress, the whole body from Longmen imported large precision milling machining center, lathe can maintain high precision, year-round use of non deformation