upkeep
ongoing care needed to keep property or equipment in good condition
n.L1 核心B1
日常保养；维护费用
英文释义 the continuing work and expense required to keep a building, grounds, or equipment in good condition
托业词汇
2,500 个单词与短语 · 21 个主题
词汇（100）
thorough
adj. · B2 · L2careful and complete, with every relevant detail considered
彻底的；全面细致的
tighten
v. · B1 · L1make a fastener or connection firmer and more secure
拧紧；紧固
tolerance
n. · B2 · L2permitted amount by which a measurement may vary
公差；容许偏差
traceability
n. · C1 · L3ability to follow an item through its recorded origin and history
可追溯性；追踪能力
upkeep
n. · B1 · L1ongoing care needed to keep property or equipment in good condition
日常保养；维护费用
violation
n. · B1 · L1act or instance of breaking a rule, law, or required standard
违规行为；违反
visual
adj. · B2 · L2based on seeing rather than measuring or testing
目视的；视觉的
warning sign
n. · B1 · L1posted notice or signal that alerts people to a danger
警告标志；警示牌
wear and tear
n. · B2 · L2gradual deterioration caused by ordinary use over time
正常磨损；使用损耗
workmanship
n. · B2 · L2skill and care visible in the way work has been completed
工艺质量；做工