1.Qhov zoo nkauj zoo nkauj thiab dav dav tag nrho layout kev sib koom ua ke
2.Fuselage, ntsug kem, zawv zawg rooj yog tag nrho cov duab plaub, kev ruaj ntseg zoo
3.Guide rail coj tsis siv neeg quenching, siab hnav tsis kam
4.Digital synchronous zaub, intuitive thiab raug, tuaj yeem txhim kho cov nqi qis