washer_of_nut_有道手机词典

1.They are made up of sleeve, lock nut and lock washer.
它由称套、锁紧螺母、锁紧垫圈组成。
dict.yoduao.com
2.The minimum across flats dimension of the hex bolt or hex nut being used to test the loose washer must not be greater than 1.5 times the basic thread size.
用于试验非组合用垫圈的六角螺栓或六角螺母的最小对边宽度不能大于垫圈内径所对应的螺纹公径直径的1.5倍。
dict.yoduao.com
3.Washer should be placed on one side of nut.
垫圈放置在螺母一侧，不得装反。
dict.yoduao.com