凸起部分 meaning in English

bossing
crown

A single - line border containing a raised portion
包含凸起部分的单线边框。
Raised portion or full face may be furnished unless otherwise specified on order
除非在订购时特别说明，否则将配置凸起部分或整个法兰面。
As the camshaft continues to rotate , the high spot moves way from the valve mechanism
因为凸轮轴继续旋转，凸轮轴上的凸起部分离开气门装置。
We must first clear of the old line , when constructed line , motor drive the cutter made of hard metal alloy to revolve at high speed , then erase old line
在有残损热熔标线的路面进行划线施工时应首先用清除机将旧标线清除干净。该机使用发动机带动硬质合金制成的打磨头高速旋转，打磨头在旋转离心的作用下与路面凸起部分磨合，将旧线清除。