So there is no evidence to show the liquid oil come from crankcase ventilation and remain in the manifold assembly .
因此,没有证据显示这些液体机油来自曲轴箱通风和停留的各种装配管道…
2
Shaking screen on crank-connecting rod for reciprocating motion to the sieve case.
摇动筛依靠曲柄连杆机构使筛箱作往复运动。
3
The design optimization of jig construction, jig body, locating mechanism of crankcase cores, jacket cores assembling vehicle and jig supporter was discussed.