螺丝和螺母 meaning in Chinese

screw and nut

Test of mechanical strength of screw and nut for mounting
螺丝和螺母的机械强度试验
Assembly tools for screws and nuts - machine - operated screwdriver bits - part 3 : screwdriver bits for hexagon socket screws iso 2351 - 3 : 2002
螺丝和螺母用装配工具.机器操作旋具头.第3部分:六角凹
Assembly tools for screws and nuts - machine - operated screwdriver bits - part 2 : screwdriver bits for cross - recessed head screws iso 2351 - 2 : 2002
螺丝和螺母用装配工具.机器操作旋具头.第2部分:十字凹
Assembly tools for screws and nuts - screwdrivers for slotted - head screws - part 2 : general requirements , lengths of blades and marking of hand - operated screwdrivers iso 2380 - 2 : 2004
螺丝和螺母用装配工具.一字槽螺钉的旋具.第2部分:手动
Assembly tools for screws and nuts - screwdrivers for cross - recessed head screws - part 2 : general requirements , lengths of blades and marking of hand - operated screwdrivers iso 8764 - 2 : 2004
螺丝和螺母用装配工具.十字槽头螺钉用旋具.第2部分:手