关于apertures的百科

• apertures造句怎么写

• Above,irregularlyshapedaperturespuncturetheelevation,lendingtheschemeaplayfullyabstractquality.Electroformedaperturesreproducethemandrelphotoresistfinishfaithfullyanddonotrequireanyfurtherprocessing.Anaperturemaskassemblyincludesarotatableframeandama...
• 2017-05-076708