European crane kawg nqaj
1. Lub raj tshwj xeeb yog tsim ib zaug, nrog kev ua hauj lwm zoo heev, thiab saum npoo yog siv tshuaj tua blasting, thiab saum npoo yog zoo nkauj thiab zoo nkauj.
2. Pib pib tsim, pib thiab nres nkaws tsis zoo, load tsis co, txo cov teeb meem inertia;
3. Tsim kev hloov ntawm photoelectric ntawm ob hnub kom ruaj ntseg nres.
