engine hour

名词 n.

英文释义

名词 n.
  1. An hour of operation of an engine.
    — Locomotive care is based on a system of preventive maintenance on an engine-hour basis. The majority of locomotives are not yet fitted with engine-hour recorders and examinations are, therefore, based on a computation of the locomotive-hours in traffic.

词形变化

engine hours plural
0 次浏览 数据来源: Wiktionary