“勘测员”的英语？

一名勘测员说是地面下陷导致了这些问题出现，房子需要加固地基。A surveyor said that the problems were caused by subsidence and the house needed to be underpinned.旃陀罗笈多还设有工程师和勘测员负责道路和运河的兴修和维护.Chandragupta's engineers and surveyors constructed and ma...