Exterior walls and ceilings covered with maintenance-pine relief tempered with bio-based oil.
外墙壁和天花板被涂了生物油的养护松覆盖。
2
Springs shall be low-stress, oiltempered, helical wound, torsion type on continuous shaft, Solid CRS or tubular as required.
弹簧为低应力、油回火、螺旋缠绕在整体钢轴上扭力型弹簧。
3
Oiltempered wire is specially tempered high carbon steel wire to provide greater strength and abrasion resistance, although its resistance to impact is somewhat lower than regular high carbon steel.