At the same timedisplacement compressor chooses big purchase cost is higher.
同时选用大排气量压缩机的购置费用较高。
2
The present paper introduces a kind of dynamic and real-timedisplacement test system, which can be used to test the movement of mould in the whole process.
介绍了一种位移动态实时测试系统，来测试结晶器整体运动过程的状况。
3
Since, at the time, there was no wind I could observe very distinctly and actually measure the displacement of the pieces of paper that were in the process of falling while the blast was passing.