centerbit中心钻centern.中心；集中点v.居中；使集中=centre<英>center computer-room中心机房Centering Compensation集中补偿Center Sports District中央体育区center bearing bracket中心轴承托架centering construction拱架施工center air-condition中央空调Center of Cross Forces侧向着力点Center of time gravity时间重心center of femoral head股骨头中心center depth regulator中央深浅调节器