1)survey by per,潜水夫检查2)ping check,潜水检查3)pre - pe examination, pre - pe inspection,潜水前检查4)ping safety checklist,潜水安全检查表5)ping planning checklist,潜水计划检查表6)ping inspectorate,潜水检查员职责
英汉例句
this paper give us the ping check method,process and attention for surface ship using three bolts ping equipment, provide the reference for us when we do the same work.
