百度
谷歌
图片
维基
百科
understressing
understroke
understructure
understudy
undersupply
undersurface
undersurface collection
undersurface filling
underswell
underswept
underswing
underswing kip
undersynchronous
undertake
undertake fresh responsibility
undertaken
undertaker
undertaker's
undertaker's gain
undertaking
undertaking expenditures
undertaking of wide scope
undertaking revenue
undertakings
undertamping
undertax
undertaxation
undertenant
underthe covert of
underthings
understroke
understructure
understudy
undersupply
undersurface
undersurface collection
undersurface filling
underswell
underswept
underswing
underswing kip
undersynchronous
undertake
undertake fresh responsibility
undertaken
undertaker
undertaker's
undertaker's gain
undertaking
undertaking expenditures
undertaking of wide scope
undertaking revenue
undertakings
undertamping
undertax
undertaxation
undertenant
underthe covert of
underthings
understressing
(极)限下加载
应力不足, 重复施加低于疲劳极限的应力(由于应变时效作用, 可改善疲劳性能)
应力不足, 重复施加低于疲劳极限的应力(由于应变时效作用, 可改善疲劳性能)