查询词典 drop bottom

drop box pinion retaining nut：减速箱小齿轮固定螺母

drop box pinion;减速箱小齿轮 | drop box pinion retaining nut;减速箱小齿轮固定螺母 | drop down panel;下翻面板

drop a bucket into an empty well：空井打水, 徒劳无益

drop a brick 出丑, 失言. | drop a bucket into an empty well 空井打水, 徒劳无益. | drop a clanger 说出不得体或令人困窘的话, 当众失言.

drop, cathode：阴极电压降

阴极电压降 drop, cathode | 膜温差 drop, film temperature | 摩擦[力]降 drop, friction

drop arch：垂拱

drop anchor 抛锚. | drop arch 垂拱. | drop around 串门.

drop arch：垂拱,平圆拱

drop annunciator ==> 吊牌通报器,色盘降落信号指示器 | drop arch ==> 垂拱,平圆拱 | drop arm ==> 转向垂臂,操纵杆

drop bar：撞击杆

drop angle 倾斜角 | drop bar 撞击杆 | drop dart-type release 下放松卸装置

drop bar：(带式烧结机的)密封滑板[块], 接地棒, 短路棒

drop ball 下坠球. | drop bar (带式烧结机的)密封滑板[块], 接地棒, 短路棒. | drop bar grizzly 落棒筛.

drop bar：接地棒,短路棒

"drop away current ","脱扣电流" | "drop bar ","接地棒,短路棒" | "drop forging ","落锻"

drop bar grizzly：落棒筛

drop bar (带式烧结机的)密封滑板[块], 接地棒, 短路棒. | drop bar grizzly 落棒筛. | drop behind 落后, 落伍.

black drop：[天]黑滴, 黑跌落(黑系带)

beam drop [电磁]波束降落. | black drop [天]黑滴, 黑跌落(黑系带). | blossom drop 落花(现象).

genetic recombination：遗传重组

第三节基因重组和基因杂交基因重组(gene recombination) 遗传重组(genetic recombination):两个独立基因组内的遗传基因,通过一定的途径转移到一起,形成新的稳定基因组的过程.

d-c restorer：直流分量还原器

d-c reinsertion 直流成分恢复 | d-c restorer 直流分量还原器 | d-c ringer 直流电铃