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1·In order to control and reduce the visual fatigue, ensure the transportation safety the locomotive engineer should be examined the vision periodically.

建议定期开展视觉检查，控制和减少视觉疲劳发生，保障行车安全。

2·The engineer does not see the road well so you’d better not stand in front of this locomotive.

（由于车头前面铲雪器遮挡视线）司机在观察前方铁路时有死角，所以，最好不要站在车头前面。