screw driver
螺
螺丝
螺钉起子
螺丝起子
螺旋起子
螺栓刀
螺丝刀
螺丝钻
起子
赶锤
subarachnoid screw driver
2D pneumatic digital servo valve
2-Dimensional pneumatic digital servo valve
Adiabatic Pneumatic Duct
air hammer pneumatic hammer
air-locked valve of pneumatic delivery system
Application of Pneumatic Drain Device
automatic pneumatic plane valve
automatic sequential pneumatic compression pumps
Binding Pneumatic Impact Hammer
centralized pneumatic loading
coefficient of pneumatic resistance