1) step foot on one's native land
踏上故土
2) set foot on African soil
踏上非洲的土地
4) tread fault
踏面故障
1.
The harm of wheel tread fault is serious,and because there are many disturbance sources such as the bad operating environment,the intense electrical magnetic interference,the impedance between the measuring system and the separate circuits,and so on,the conventional signal processing methods are difficult to identify the tread fault.
列车轮对踏面故障危害极大,且由于列车运行环境恶劣,存在电机整流装置等车载设备产生的强烈电磁干扰,以及测量系统和各单元电路之间的公共接地阻抗产生的严重干扰等诸多不利因素,因而传统信号处理方法难以准确识别踏面故障。
5) grave tone pedal
音上踏板
6) boarding platform
上车踏板
补充资料：踏面
1.利用杠杆的原理，脚踏杵杆的一端，使另一端舂麦成面粉。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条