查询词典 double star

double product：双倍积

double preventer 双闸板防喷器 | double product 双倍积 | double progressivedecreased balance method of depreciation 双倍余额递减折旧法

double product：二重和

double probe technique 双探头法,热电偶双极检定法 | double product 二重和 | double pulse excitation 双脉冲激励

double pulley：双滑轮

double probe 双联探测器 | double pulley 双滑轮 | double pulse and square wave generator 双脉冲与方波发生器

double wheel pulley：双轮环式滑车

double wheel lathe 双轮式车床 | double wheel pulley 双轮环式滑车 | double width jacquard decorative cloth 宽幅提花装饰布

double chain pulley：双链滑轮

double ceiling 双层铺板 | double chain pulley 双链滑轮 | double chain riveting 双行并列铆接

double chain pulley：双链轮

double bushing;双轴套 | double chain pulley;双链轮 | double check valve;二级单向阀

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

mass quote：大 开盘

大 户口转移指示 Mass Account Transfer Instruction | 大 开盘 mass quote | 大批登记服务 bulk registration service

dimming：(前照灯)换入近光

dimmer (前照灯)变光开关 | dimming (前照灯)换入近光 | dinge (车身)小凹陷或擦痕