青云翻译

Test on the face of the flywheel, crankshaft, ground pollution at

Separately, crankshaft, flywheel end surface contamination test

Separately to the flywheel end surface, the crank, the ground pollution place carries on the experiment

The flywheel face, respectively, the crank, and ground pollution, to experiment

Separately, crankshaft, flywheel end surface contamination test