copying apparatuscopying controlcopying devicecopying unitfollowing deviceprofile deviceprofiling devicetracer unit仿形: profile modeling; copy; prof ...装置: installation; device; appara ...地面仿形装置: ground-contour-following device仿形装置的控制阀: control valve of copying device仿形装置控制阀: control valve of copying device下载手机词典可随时随地查词查翻译