For the axis body both solid and hollow shafts are considered.
对于轴体，考虑了实心轴和空心轴。
These can be hollow shafts or ducts with reflective internal finishes or may use fibre-optic cable technology.
光导管可采用有内反射涂层的空心管轴，或采用光导纤维技术实现。
Hollow shafts available through the whole product range in even the smallest sizes for easy cost effective application.
空心轴在整个产品系列，提供方便，即使在最小的成本效益的应用规模。
NSK started marketing hollow shaft ball screws, which are cooled by a coolant flowing through the screws' hollow shafts, in the 1980s.
NSK轴承公司的开始销售在上世纪80年代空心轴滚珠丝杠，这是一个通过螺丝'空心轴流冷却剂冷却。
It makes no difference if the bearings are mounted on shafts or sleeves, or with shafts that are solid or hollow.
它使没有什么区别，如果对轴或轴承套，或与轴是实心或空心装。
Solitary or in pairs; roosts in tunnels, old mine shafts, hollow trees and under thick tree bark.
独居或成对，栖息于隧道、废弃矿井、树洞内，以及厚树皮底下。
The drive shafts are usually hollow in order to weigh less, but of a large diameter so that they are strong .
译文：传动轴通常是空心的以减轻重量，但直径比较大使它有足够的强度 。
The drive shafts are usually hollow in order to weigh less, but of a large diameter so that they are strong .
译文：传动轴通常是空心的以减轻重量，但直径比较大使它有足够的强度 。
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