查询词典 pen

dotted line pen：虚线笔

"虚线","dotted line" | "虚线笔","dotted line pen" | "虚线剖面线","dotted section"

double line pen：画双线笔

double limiter 双重限制器 | double line pen 画双线笔 | double locked stitcher 双线锁边机

double line pen：划双线笔

double-lift lock 二级船闸 | double-line pen 划双线笔 | double-line spectroscopic binary 双谱分光双星

double line stream：双线河流

雙線筆 road pen | 雙線河流 double line stream | 雙向 both directions

double-duty：双重用途

双线笔/road pen | 双重用途/double duty | 双座敞篷马车/democrat wagon

drafting room：绘图室,制图室

drafting pen 鸭嘴笔 | drafting room 绘图室,制图室 | drafting schedule 压下规程

drawing paper：图纸

drawing key 底图 | drawing paper 图纸 | drawing pen 绘图笔

drawing pen：绘图笔

drawing paper 绘图纸 | drawing pen 绘图笔 | drawing press 拉拔式压床

drawing pen：鸭嘴笔

曲线板 curve | 鸭嘴笔 drawing pen | 锤子 hammer

drawing pen：制图笔,鸭嘴笔,针笔

"图纸","drawing paper" | "制图笔,鸭嘴笔,针笔","drawing pen" | "制图铅笔","drawing pencil"

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