请输入您要查询的英文单词:
单词
optional maintenance
释义
optional
—
任择
adj
•
可选的
adj
•
选配
adj
•
选购
adj
•
自选
maintenance
n
—
保持
n
•
维持
n
•
赡养费
n
•
定期维修
n
option
n
—
方案
n
•
选择
n
•
选修课
n
•
可选择的事物
n
•
选择权
n
•
购买权
n
option
—
选择
•
期权
随便看
stationary production
stationary products
stationary Pump
stationary ring
stationary service
stationary shaft
stationary shop
stationary signal
stationary solution
stationary sources
stationary state
stationary storage
stationary supply
stationary surface
stationary target
stationary training equipment
stationary turning
stationary unit
stationary use
stationary valve
stationary vehicle
stationary voltage
stationary wave
stationary welding
Station assignment
英汉双解词典包含2273206条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/3 3:10:51