轴承外圈上设有止动槽,以便装上止动圈,因此轴承的安装较方便。
There is a snap groove in the outer ring for fitting a snap ring, so it is convenient to assemble the bearing.
涡流地震检波器是一种较常规动圈式地震检波器有许多优点的新型检波器,但测量它的技术手段还不够完善。
The whirling geophone is a new type of geophone which has many virtues to the normal coil geophone, but now the technical means for measuring is not perfect enough.
采用内置式启动控制的600 MW超临界压力螺旋管圈型直流锅炉,其作为被控对象的动态特性及控制系统都较复杂。
The dynamic characters and control system for 600 MW supercritical pressure once-through boiler equipped with internal start-up control are relatively complicated.
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