换: exchange; barter; trade辊: roller装置: installation; device; appara ...安设: install; set up坑: hole; pit; hollow换辊装置: roll change over device; roll changer; roll changing gear; roll changing rig; roll exchange device; roller type turn over device; shifter自动换辊装置: automatic roll changing rig工件辊的换辊装置: work roll change工作辊的换辊装置: work roll changer支承辊换辊装置: back up roll extractor; backup roll changing rig; backup roll extractor工作辊快速换辊装置: work roll quick changing rig立辊的对重换辊装置: counterweight vertical roll-changing rig; counterweighted vertical roll changing rig带快速换辊装置的精密棒材轧机: precise bar mill with rapid roll change带快速换辊装置的精密型材轧机: precise bar mill with rapid roll change装置安装: mountion装置安装,装配: installation包皮辊装置: roller covering apparatus沉浸辊装置: dunking roll unit导辊装置: roller apron; roller guide apron后压辊装置: back stitcher挤干辊装置: wringer roll unit矫直辊装置: leveling roller set拉辊装置: pinch roll unit; pinchrollunit四辊装置: four high setup弯辊装置: bending-up roll device; roll bending equipment; roll bending system