在平常的不压井起下钻作业中，管柱下入井眼是依靠其自身重量，不需要附加的向下载荷或者推力。
In ordinary stripping operations, the pipe falls into the wellbore under its own weight, and no additional downward force or pushing is required.
旋转和水平移动作业多采用手动，只有在起重量较大时才采用电动。
Rotation and horizontal movement to use more manual work, only play a greater weight when the use of electric.
采用中空型结构手臂、手腕，焊接电缆内置，可在狭窄空间焊接作业，重量轻便，结构紧凑。
Hollow structure arms, wrists, welding cable built-in, available in a narrow space welding operations, light weight, compact structure.
研究女性手工搬举的最大可接受重量，为手工搬举作业劳动负荷标准的制定提供参考依据。
To study the Maximum acceptable weight of lift(MAWL)in females and to provide a basis for drafting occupational health standard of manual lifting tasks.
如果作业场地和机器的重量有一定局限，Genie的新型号s - 60hc的升举能力为1,250磅，平台高度为60英尺，它则可以作为备选。
If restricted work sites and machine weight are issues, Genie's new S-60HC with capacity to lift 1,250 pounds to its 60-foot platform height could be an alternative.
造船门式起重机是一种大起重量、大跨度、多功能、高效率的门式起重机械，专用于船坞（或船台）进行大型船体分段运输，对接及翻转作业。
Shipbuilding gantry crane a kind of gantry cranes of large lifting capacity, mare ultifunctions, and high efficiency which is dedicated for large hull staging, butt and flip operations in docks.
试验表明：该车载重量高，运行平稳，操作灵活，可用于GPS导航试验研究、轻型农机具自动作业研究等方面。
It can be use for studying on GPS-navigation test and light-duty agricultural machines automatic field working test.
适合于各种作业如：常规电钻、风钻、震动电钻、小台钻、且重量较轻。
Complete range of various capaclties, suitable for general electric drill, pneumatic, mpact electric drill and bench drill, light weight.
大型结构物在海上安装过程中，受到作业机具吊装能力等因素的影响，需要准确的结构物重量和重心数值。
During the installation of large structures on the sea, the weight and gravity-center values of the structures should be very accurate, considering the lifting capability of the operating apparatus.
这是符合人体工程学设计，重量仅为二二三克，包括AA电池，使长达60个小时的作业。
It is ergonomically designed with a weight of just 223g, including its AA batteries, which allow up to 60 hours of operation.
第三条进出口货物的重量和体积，以港口货物作业合同上所列数量为准。
Article 3 the weight and cubage of import cargo and export cargo shall be based on the amount as listed in the contract on cargo operating within a port.
桅架的重量较常规井架要大，因此海洋钻井中不常使用，因为海洋钻井时比陆地作业时更关注重量。
They suffer from being heavier than conventional derricks and consequently are not usually found in offshore environments, where weight is more of a concern than in land operations.
本产品重量轻、体积小、配备LED灯、携带方便、适宜于狭小空间作业。
All the above are of light weight, small volume, portable, and with LED light, which is very convenient for work in small room.
该系列车型是我公司专门为特定市场开发的产品。该产品的设计充分考虑了石材市场专用产品载重量大、作业通道窄、路面及环境恶劣等特殊因素。
This series models are specially for specific market development of products. This product design for special products of stone market, big load road and narrow channels, such special environments.
该升降货梯承载能力强，适合于两人（可携带一定的重量工具和材料）同时登高作业；
The lifting elevator carrying capacity, suitable for two people (can carry some weight tools and materials) at the same time climbing;
整机设计结构紧凑、晃动小、重量轻、移动方便等特点，是登高作业最安全，最经济实用的机具。
It has features of compact structure, little shake, convenient movement, etc., so it is the safest, most economical and most practical tool of high-altitude working.
用于狭窄部位钻孔，扩孔攻丝等作业，具有重量轻，刚性好，钻削头边心距小等特点，且可反转。
Suitable for broaching or tapping in the cabined place. The air drill is light, good rigidity an can be used for drilling in reverse, aiguilles of which has short distance form the border to center.
用于狭窄部位钻孔，扩孔攻丝等作业，具有重量轻，刚性好，钻削头边心距小等特点，且可反转。
Suitable for broaching or tapping in the cabined place. The air drill is light, good rigidity an can be used for drilling in reverse, aiguilles of which has short distance form the border to center.
应用推荐