【名词&注释】
弯曲应力(bending stress)、办公楼(office building)、雷诺数(reynolds number)、传动比(transmission ratio)、线速度(linear velocity)、有利于(beneficial to)、螺杆式制冷压缩机(screw refrigeration compressor)、活塞式制冷压缩机(pistol refrigeration compressor)、离心式制冷压缩机(centrifugal refrigerating compressor)、涡旋式制冷压缩机(scroll refrigerating compressor)
[多选题]带节能其的二次吸气制冷循环可增加制冷量、减少功耗、提高制冷系数,试问下列哪几种压缩机易于实现该中制冷循环?()
A. A、离心式制冷压缩机(centrifugal refrigerating compressor)
B. B、涡旋式制冷压缩机(scroll refrigerating compressor)
C. C、活塞式制冷压缩机(pistol refrigeration compressor)
D. D、螺杆式制冷压缩机(screw refrigeration compressor)