一种光导纤维装置能够快速、安全地检查铁路罐车．该装置能减少罐车检查时间85％．更重要的是消除了操作者面对罐车内物品的可能性。此外，由于检查过程降低了有害物排出的可能性．既保护了工人，也保护了环境。减少罐车检查时间的光导纤维装置@张云 An optical fiber device quickly and safely checks railway tankers. The device can reduce the tanker inspection time 85%. More importantly, the possibility of the operator facing the contents of the tanker is eliminated. In addition, the possibility of excretion of harmful substances is reduced as a result of the inspection process. Both to protect the workers, but also to protect the environment. Optical fiber device to reduce tank inspection time @ Zhang Yun