ultraviolet radiation紫外线辐射

ultraviolet rays紫外线

unattended operation无人值班的运行

unbalance不平衡

unbalance indicator不均衡指示器

unbalance moment不平衡力矩

unbalance tolerance容许不平衡量

unbalanced mass不均衡质量

uncoiler展卷机

undamped oscillation非衰减振荡

undamped vibration非衰减振荡

undercarriage起落架

undercooling过冷

undercutting根切

underfeed furnace下部供燃料炉

underframe底架

underground gasification地下气化

underground railway地下铁道

underground water地下水

underload欠载

undershot wheel下射水轮

undersize筛下产品

undervoltage relay低电压继电器

underwater cutting水下切割

underwater robot水中机扑;水下机扑

underwater welding水下焊接

undulatory motion波动

unequal angle不等边角钢

unfinished bolt毛螺栓

unhooking摘钩

uniaxial stress单向应力

uniform acceleration等加速度

uniform circular motion等速圆周运动

uniform distribution均匀分布

uniform flow均匀流

uniform load均匀负荷

uniform motion等速运动

uniform movement等速运动

uniform pressure均匀压力

uniform scale均匀标度

uniform velocity等速度
关键字:焊接专业词汇
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