精确引导 meaning in English

close control

Disc has a stellited seat lapped to a mirror finish and accurately guided into seat contact
阀瓣具有钨铬钴合金阀座叠层镜面，并且通过精确引导与阀座接触。
Tight guiding system . for austenitic stainless and for high - temperature service , hardfaced wedge grooves are precision - guided in welded - in machined guides
紧密的导轨系统。对于奥氏体不锈和高温应用领域，硬面楔板槽是在焊接机制导轨内精确引导的。