The track pinbush of the engineering excavator improves the working efficiency of the engineering excavator and prolongs the service life of the engineering excavator.
该工程挖掘机履带销套提高了工程挖掘机的工作效率，延长了工程挖掘机的使用寿命。
2
First, it makes it harder to pin responsibility for botched financial rescues on the Bush team.