First her eyes latch onto mine, then her head swings around in a mechanical two-step.
她先是牢牢地盯着我的眼睛，然后头机械地摆动了两下。
2
Systematic analyses and studies of physical and mechanical properties are made on tailings test results in Lanping Lead-Zinc Mine of Yunnan province.
本文结合云南省兰坪铅锌矿尾矿料的大量物理力学性试验成果进行了系统的分析研究。
3
The mine hoist equipment is one of the main mine pit production equipment. It is a set of complex mechanical electrical units and the main tool of coal production and transportation.