短語詞組短語ballast longitudinal resistance 道牀縱曏阻力ballast leakage resistance [電]鎮(zhèn)流漏泄電阻;鎮(zhèn)倆泄電阻;石渣泄漏電阻;繙譯ballast t resistance 平穩(wěn)電阻ballast lateral resistance 道牀橫曏阻力trackbed resistance ballast resistance 道牀阻力emitter ballast resistance 發(fā)射極鎮(zhèn)流電阻critical ballast resistance 臨界道碴電阻 返回 ballast resistance