加重杆 meaning in English

weight bar
weight section

The bit was attached to a heavy length of steel suspended by a wire rope .
钻头系在由钢丝绳悬挂起来的加重杆上。
The multi - fishing collar is one kind of combinatorial tool for fishing of various sizes of sucker rod coupling , bar and well logging instrument in the interior of the casin tube . it is easy to operate , conveience and muilti - purpose , high efficiency sucker rod fishing tool
多用打捞筒是一种在套管内打捞各种尺寸的抽油杆、接箍及加重杆和测井仪的组合式打捞工具，该工具结构简单操作维修方便，是一种用途多、高效率的打捞抽油相工具。
[ english ] the multi - fishing collar is one kind of combinatorial tool for fishing of various sizes of sucker rod coupling , bar and well logging instrument in the interior of the casin tube . it is easy to operate , conveience and muilti - purpose , high efficiency sucker rod fishing tool
多用打捞筒是一种在套管内打捞各种尺寸的抽油杆、接箍及加重杆和测井仪的组合式打捞工具，该工具结构简单操作维修方便，是一种用途多、高效率的打捞抽油相工具。