介绍了这种新型调车机的结构及工作原理。
Introduces the structure of this new type equipment and its work principle.
介绍了一种高精度的温度采集系统的结构及工作原理。
The principle and structural of a high precision temperature acquisition system is introduced.
本文介绍了针阀式缓冲气缸和溢流式缓冲气缸的结构及工作原理。
The structure and principle of needle valve cushion and relief valve cushion were introduced.
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