图4 - 46示出测试整块材料，如金属棒或金属条电阻率的系统。
Figure 4-46 shows a system for testing the resistivity of a bulk material such as a metal bar or rod.
整块材料坚固的铸造，避免了因振动、强外力等缘故造成对密封、轴承的影响。
The whole block material solid casting, to avoid the caused by vibration, strong external forces such as sake of sealing, the influence of the bearing.
对石墨布、毡、纱线、纤维以及一些大的整块元件器具，它是一种优异的粘结材料。
It is an excellent bond for graphite cloth, felt, yarn, fibers and large monolithic shapes.
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