查询词典 double

double sheave pulley：双轮滑车

double service rack 两侧装卸桥台 | double sheave pulley 双轮滑车 | double shut-in assembly 双管关井总成

double scored pulley：双重滑轮

"double scale","双重刻度尺,双重比例尺" | "double scored pulley","双重滑轮" | "double screw jack","双螺旋千斤顶"

double iron pulley block：双轮铁滑车

double iron plane 双铁手刨 | double iron pulley block 双轮铁滑车 | double iron 工字铁

double ratio：交比

double product 二重积 | double ratio 交比 | double root 重根

double ratio：交比,非调和比

对顶角锥 double pyramid | 交比;非调和比 double ratio | 二重根 double root

double ratio：重比,交比

double rate meter 双费制电度计 | double ratio 重比,交比 | double ratio estimate 复比估计值

double ratio estimate：复比估计值

double ratio 重比,交比 | double ratio estimate 复比估计值 | double ratio estimator 复比估计,复比估计量

double refraction：重折射,双折射

double pearl 双子珍 亦称Twin pearl | double refraction 重折射,双折射 | double rose 双玫瑰花型

double refraction：双(重)折射,二次折射,双折射

double refined iron | 重炼铁,二重精炼铁 | double refraction | 双(重)折射,二次折射,双折射 | double rocker mechanism | 双曲柄机构

double refraction：二次折射,双折射

"double reaction theory ","双反应理论" | "double refraction ","二次折射,双折射" | "double resonance ","双共振,双谐振"

the bird of wonder：凤凰;长生鸟

the bird of peace鸽子 | the bird of prey 猛禽 | the bird of wonder凤凰;长生鸟

flange rail：平底轨条

"凸缘皮带轮","flange pulley" | "平底轨条","flange rail" | "凸缘肋","flange rib"