作业

The steel armored electric cable logging truck owner asked that the truck should consists of electric cable driving machine, goose neck guider, winch, hydraulic driver, depth detector, weighing display, instrument display panel, and data collection system. It can solve the problem of pulling force for the down hole instrument in horizontal, sticky oil and high pressure wells. The practice shows that it is a device with high efficiency, low cost, strong suitability to environment, reliability and safe.?

钢铠电缆测井车主要由驱缆器、鹅颈形导轨、绞盘、液压驱动、测深、指重装置、仪表显示操作盘及数据采集控制处理系统等组成，能解决水平井、稠油井、高压油井等特殊井类在测井过程中仪器下行牵引力的问题，是一个作业效率高、测试成功率高、成本低、适应环境能力强、作业安全可靠、具有环保效益的新技术。

It is difficult, it is a challenge, also be company of barge of good luck annulus it is firm of haven shipping operation, be in charge of receiving send pilot, the harbor of pass in and out that assists guest steamer and convoy, have the job such as the fire control on re-act course of study, water, environmental protection, it is service enterprise, also be a window of Tianjin haven.

是困难，是挑战，也是机遇轮驳公司是港口船舶作业公司，负责接送引航员，协助客货轮的进出港及护航、起重作业、水上消防、环境保护等工作，是服务型企业，也是天津港口的一个窗口。

The data showed that the HRV and the sympathetic activity indices of the worry group were lower during the mental task stage than during the fearful movie stage. Moreover, the HRV and sympathetic activity indices of the members of the worry group were also lower than those of the re-exposure group during the mental task stage.

结果发现，在忧虑组各实验操弄之组内比较上，受试在的作业期之HRV与交感神经活性指标显著低於电影期；且三组受试在作业期之组间比较上，忧虑组的HRV与交感神经活性指标显著低於回忆组。

Results Single factor logistic regression showed that the risk factors to myopia were the distance between eyes and book when reading, reading on the bus, hours spend on doing homework every night, exceeding 40 minutes once reading or doing homework, eyestrain and favorite taste. The result of further multiple logistic regression was that distance between eyes and hook when reading, reading on the bus, eyestrain and favorite taste had statistical difference (P.05) to the model.

结果 单因素Logistic回归分析发现，读书时眼睛与书本距离、车上看书、每晚做作业时间、一次看书写作业持续时间超过40min、眼睛酸累和最喜欢咸味是小学生近视发生的危险因素；进一步多因素Logistic回归分析发现，读书时眼睛与书本距离、车上看书、眼睛酸累和最喜欢咸味对模型的作用有统计学意义（P值均＜0.05）。

China's coal production and the exploitation of workers in well-oriented, while the underground work is first of all faced the problem of ventilation in the mine production process, we must continue to be ground fresh air supply to the various underground sites for staff and the exclusion of breath, and diluted Underground a variety of toxic and harmful gases and mineral dust, mine to create a good environment to protect the underground staff's health and labor safety.

我国煤炭生产以井工开采为主，而地下作业首先面临的是通风问题，在矿井生产过程中，必须源源不断地将地面新鲜空气输送到井下各个作业地点，以供人员呼吸并稀释和排除井下各种有毒有害气体和矿尘，创造良好的矿内环境，保障井下工作人员的身体健康和劳动安全。

The study on the wall-climbing robot in this dissertation builds a base for ulfilling automtic moving and working. Additionally, the success of developing the wall-climbing robot will contribute more to industry of cleaning service.

本文对于爬壁机器人的研究为实现爬壁机器人的移动控制和自主作业提供了理论、技术依据，同时该项目的研制成功为高层建筑清洗作业的自动化提供了重要手段。

Unbalanced state was kept at the bottom of the well by downhole casing shut-off valve in whole process unbalanced drilling operation, the oil reservoir was protected by unbalanced drilling and non-snubbing service.

在全过程欠平衡钻井作业过程中，通过井下套管阀开关，保证井底始终处于欠平衡状态，成功地进行了欠平衡钻进、不压井起下钻等作业，有效地保护了储层。

The truth is, these updates do make me feel like a twelve-year old trying to explain to teacher why he isn't turning in his essay, and knowing she isn't going to buy the "dog ate my homework" ruse any more than you guys do.

事实上，这些更新让我感觉自己象个跟老师解释为何没交作业的12岁小孩，知道她并不会比你们更能够接受&狗吃了作业&这个理由

The admission passage partition unlocking system is the train every time through the admission passage in some rail switch track sector,causes this sector unlocking immediately,may raise the work efficiency,generally uses in the work busily large-scale,the medium station.

进路分段解锁制是列车每通过进路中的某一道岔轨道区段，立即使该区段解锁，可提高作业效率，一般用于作业繁忙的大、中型车站。

Printing shop workers ﹑ tin furnace workers must go through knowledge of occupational health training before induction.

6.2 印刷车间作业工人﹑锡炉作业工人上岗前必须经过职业卫生知识培训后方可上岗。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。