based on characteristics of cables and actual fishing experiences , the down hole locations of cable head is determined, and formulas used to calculate depth of fishing tools are deduced.

结合电缆落井特征和实际打捞经验，给出了确定电缆落井后电缆头在井下位置及打捞工具下深的计算公式，并列举了部分井采用该方法打捞的情况。

the special depth checking apparatus is constructed by cable head eqipped on top and accentuating part eqipped on bottom of micro-magnetic localizer.

专用校深仪器是由微型磁性定位器上配电缆头下配加重部分而构成。

the releasable wireline cable head was designed by combining the similar products' characteristics and existing materials.

结合国内外同类产品特点和国内现有材料，研制出了国产可释放马笼头。

in order to change this situation, research was carried out to improve the structure of leading cable head and the sealing material.

为改变这种状况，研究改进了引接电缆头的结构形式和密封件材料。

the utility model relates to a branching cable head suspending structure used for the electric distribution equipment in the large-type architecture. the structure is provided with a support ring.

本实用新型涉及一种用于大型建筑物中配电设备的分支电缆吊头结构。

from power cable selection, installation and cable head production, this paper presents lhe measures to prevent buming loss of single-core xlpe cables through analyzing a burning accident.

通过对一起单芯电力电缆烧损事故进行分析，从电缆的选型、敷设及电缆头的制作等方面提出了防止单芯电缆烧损的措施。

the under electrical machine and leading cable head used in oilfields were of poor quality, which has greatly influenced the operation of the unit.

油田使用的潜油电机引接电缆头密封质量差，严重影响机组正常运行。

bring gloves can also be small, which do not pay attention to cable head , not caught his little finger in his give up the habit after to give him off.

另外给他带上小手套也可以，注意里面不要有线头，不要挂住他的小手指，在他的这个习惯改掉之后就给他摘下来。

the technology for tightness improvement of the ni austenitic cast iron cable head is studied.

分析了提高镍奥氏体铸铁电缆插头铸件致密性的工艺方案。