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Terms for subject Communications containing down | all forms | exact matches only
EnglishChinese
down direction throat下行咽喉
down hump trimming signal下峰信号
down line下行线
protection circuit for down grade下坡道防护电路
pull-down clamping apparatus下拉夹具
splash down溅落
switch hold-down device道岔下拉装置
up-and-down hump yard双向驼峰编组场
voltage step-down of signal信号机降压