不控制预紧力
without controlling pretightening force
差速器轴承预紧力
differential bearing preload
弹簧预紧力
spring pretightened force
spring pre-tightening force
电子化单体喷油器预紧力
electronic unit injector preload
法兰螺栓紧力
tension force of flange bolts
恒拉紧力
invariableness strain power
横向夹紧力
transverse clamping force
缓冲器预紧力
draft gear initial compression