stepped piston compound compressor
... stepped piston compound compressor 差动活塞式压缩机 stepped turnover device 阶梯式翻钢机 stepper motor 步进电动机 ...
基于58个网页-相关网页
[机]
differential piston compressor
... 差动活塞泵 differential piston pump 差动活塞式压缩机 differential piston compressor 差动交换齿轮 differential change gear ...
基于26个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress