concentric machining是什么意思

concentric machining是什么意思 Machining BM machining 英文简写是什么? MACHINING TOLERANCES是什么意思 MnS Machining Additive什么意思? concentric form habitat,gir to his only concentric tool marks allowed on gasket surface concentric reduction什么意思?（机械上的） Concentric from habitat, grief to his death.什么意思? Assembly与 machining的意思Assembly与machining在制造业里是什么意思?是装配和加工吗? two enormous concentric rings,impact basins are found on Callisto.5097 two enormous concentric rings,impact basins are found on Callisto.5097 请问：Zinc clear chromate plate part after machining是指什么表面处理? Tolerance of machining unless specified 翻译机械术语如图，求翻译 If that .040” maximum machining leaves much of the surface as cast instead of machined.翻译. Closed-loop machining什么意思?闭环加工?怎样的算闭环加工呢? 英语翻译If that .040” maximum machining leaves much of the surface as cast instead of machined,. BLIND,CLASS150 RF,304LSS ASTM A182-F304L,ASME B16.5,GASKET FINISH TO BE OF CONCENTRIC SERRATED FINISH OF 125-250 AARH中的GASKET FINISH TO BE OF CONCENTRIC SERRATED FINISH 铝合金挤压棒客户要求挤压棒concentric ring（CR）：not allowed completely请问具体是什么意思，在线等！急