Criteria for changing crank case oil of gasoline automobile 汽油机油换油指标
2.
Replacement of the air pipe for crank case ventilation system 更换引擎曲轴箱系统气嘴
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Crank case explosion 曲柄箱爆燃
4.
The design optimization of jig construction , jig body , locating mechanism of crank case cores , jacket cores assembling vehicle and jig supporter was discussed 对夹具结构、夹具本体、轴箱芯定位机构、水套砂芯组芯小车及夹具支架的设计优化进行了讨论。
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