an impracticable mechanism
不能使用的机械装置
Design, construction, and use of machinery or mechanical structures.
机械学机器或机械工具的设计、制造和使用
make(an apparatus,a machine,etc)ready for use
使（器械、机器等）准备使用
An industry in which mechanical power and machinery are employed.
制造业使用机械力和机器设备的工业
using (or as if using) mechanisms or tools or devices.
使用（或好象使用）机械装置、工具或设备的。
Farmers tend to use more machinery now.
现在农民们倾向于使用更多的机械。
Exploration and Application of a Mechanic Graphics Test Bank Based on AutoCAD;
基于AutoCAD机械制图试题库的开发及使用
Discussion on the Usage,Maintenance and Administration of Mechanical Facilities in Collieries
浅谈煤矿机械设备的使用、维护和管理
Hire of Port Handling Devices
港口机械设备使用费
Discussed Selection, Utilizing and Maintenance for NC Machine Tool in Machine Manufacture Industry;
浅谈机械制造企业数控机床的选择、使用与维护
"The great variety of farming devices covers a wide range of complexity, from simple hand-held implements used since prehistoric times to the complex harvesters of modern mechanized agriculture."
农业机械范围很广︰从史前使用的简单手工农具到现代机械化农业中所使用的复杂联合收获机。
Firearms are complicated mechanisms which are designed by experts to function properly in their original condition.
枪械是由专家针对其最初使用目的而设计的复杂机械。
Lacking ability or skill in the use of machinery and tools.
不熟练的缺乏使用机械和工具的能力或技巧的
Talking about the Creation and Appliction of Multimedia Class-piece in Mechanical Principle Class;
浅谈机械原理课程多媒体课件的制作与使用
Bituminous Pavement Maintenance Project Machinery use Optimization and Choice of Material
沥青路面养护工程的机械使用优化及材料选择
CAUSE ANALYSIS AND COUNTERMEASURES FOR MECHANICAL SEAL LEAKAGE OF FEEDSTOCK PUMP IN POLYPROPYLENE UNIT
离心式原料泵机械密封的使用情况分析
Time effect on the mechanical properties of orthodontic NT arch wires
临床使用时间对正畸镍钛弓丝机械性能的影响
How to Extend the Service Life of Wire Rope on Crane
如何延长起重机械上钢丝绳的使用寿命