This paper introduces the use and merit of MTHT spring buffer type cage security holding device.

介绍了MTHT型弹簧缓冲式罐笼安全承接装置的用途及优点。

youdao

This paper introduces the use and merit of MTHT spring buffer type cage security holding device.

介绍了MTHT型弹簧缓冲式罐笼安全承接装置的用途及优点。

youdao