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衬托 弦对弧 对向
subtend  detail>>
弦对弧
subtend  detail>>
衬托
set off; serve as a foil to  短语和例子   那件时装把她的身段衬托得更加优美。 the fashion sets her figu...  detail>>
对向
opposite direction opposition subtend  detail>>
弧对焊
arcing butt welding  detail>>
衬托板
bearing plate  detail>>
衬托光
bias light  detail>>
衬托器
susceptor  detail>>
衬托物
foil setoff  detail>>
衬托纸
mounting  detail>>
对弧填角焊
twin arc fillet welding  detail>>
对弧亚类
diacromorphitae  detail>>
等弦对等弧
equal chord, equal arc  detail>>
正弦对数
logarithmic sine  detail>>
正弦对准仪
sine center sine centre  detail>>
等弧对等弦
equal arc, equal chord  detail>>
电弧对焊
flash butt welding  detail>>
电弧对接焊
flash welding  detail>>