双耳止动垫圈
tab washer with long tab and wing
lock washer with double ears
Tab washers with long tab and wing
内舌止动垫圈
internal tab washer
lock washer with tongue at inside
外舌止动垫圈
external tab washer
lock washer with tongue at outside
External tab washers
铲刀侧移止动单向阀
blade sideshift lock check valve
铲刀倾斜止动单向阀
blade tip lock check valve
铲刀升降止动单向阀
blade lift lock check valve
立式单动单刃矫直机
vertical straight side single action single point press
e-(平均值)e单圈图重整化传播子
e-(average)e one-loop renormalized propagator