1.
No program for or informal preventive maintenance activities performed.
没有进行或非正式地进行机器/具预防保养维修活动.
2.
According to Qi, the spacewalk mission is just for adaptation, rather than scientific research or aircraft maintenance.
根据戚所说，此次太空行走仅仅是一个适应，并不涉及科学探索和飞船维修活动。
3.
Maintenance is an old-line human production activity.
维修作业是人类一项历史悠久的生产活动。
4.
Exploration on Rhetoric in Literature Meditation Activities: Preliminary Discussion on "Literature Nomination;
文学思维活动的修辞化探寻:“文学命名”初论
5.
The Design of 737-500 Aircraft Windshield Maintenance Program
波音737-500飞机活动风挡维修程序的设计
6.
Maintenance includes keeping a functional unit in a specified state by performing activities such as tests, measurements, replacements, adjustments and repairs.
维修是指通过一些活动,诸如测试、测量、更换、调整以及修复等,使功能部件维持在规定状态。
7.
Research on the Development of Career-Oriented Curriculum for Vehicle Maintenance and Testing Specialty
汽车检测与维修高级技工职业活动导向课程开发的实践与研究
8.
"If an engine is torn down for overhaul after considerable mileage, the chances are that the rings will require replacement."
在行驶了一定的里程后,发动机被拆下检修,这正是维修更换活塞环的机会。
9.
ce and support equipment
移动式维修保养设备
10.
Other maintenance departments had pitched in.
其他维修部门纷纷出动。
11.
a participant in a religious retreat.
宗教静修活动的参予者。
12.
The Modification of Activated Carbon Fiber and Its Analytical Application Studies;
活性碳纤维的修饰及其分析应用研究
13.
Provision of a service can involve, for example, the following:an activity performed on a customer-supplied tangible product (e.g. automobile to be repaired);
服务的提供可涉及，例如：在顾客提供的有形产品（如维修的汽车）上所完成的活动；
14.
REPAIRING MANUAL SHIFT OVERHEAT (AUTOSTICK VEHICLE ONLY)
维修手动变档过热（仅自动杆车辆〕
15.
The XJ01 Automatic Control Voltage Dropping Starts Cabinet's Service and Improves
XJ01型自动降压启动柜的维修与改进
16.
On Nicknames of Fans in Rhetorical Activities from Rhetorical Situations in Worlds
从世界修辞语境看歌迷绰号的修辞活动
17.
Operation,Maintenance and Common Trouble Repairing of the ZD-3 Automatic Potentiometric Titrator
ZD-3自动电位滴定仪使用维护及常见故障维修
18.
Its maneuverability is strong and it is fit for cross-country driv-ing. It is simple to operate and maintain.
机动性强，越野性好，操作、维修简单。