查询词典 spring back

answer back mechanism：振铃应答机构, 自动回答机构

answer back key || 应答电键 | answer back mechanism || 振铃应答机构, 自动回答机构anticipation- | answer back || 顶嘴

back balance：配重

back azimuth 反方位角 | back balance 配重 | back bead 封底焊道

back balance：平衡器

back axle 后轴 | back balance 平衡器 | back bridge relay 反桥接继电器

back balance：后平衡,轮子坡,平衡锤,平衡块,平衡重

back azimuth ==> 反方位角 | back balance ==> 后平衡,轮子坡,平衡锤,平衡块,平衡重 | back band ==> 背圈

back bar：后杆

"往复运动","back and forward motion" | "后杆","back bar" | "经轴;后梁","back beam"

back bar：(石工中的)水平吊杆 (炮车)后扶手

back band || 背圈 | back bar || (石工中的)水平吊杆 (炮车)后扶手 | back beach || 滨后滩

back side grid bar：后尘棒

"后导梭板","back shuttle guide" | "后尘棒","back side grid bar" | "底毛圈","back side loop"

back beam：後射波束

"back azimuth","反方位角" | "back beam","后射波束" | "back bearing","反方位"

back beam：经轴;后梁

"后杆","back bar" | "经轴;后梁","back beam" | "后斜齿轮","back bevel"

back beam：经轴

back and face effect 正背效应 | back beam 经轴 | back coating 背面涂层

Minstrel Show：化装黑人乐队的演出

show cause 提出正当理由 | minstrel show 化装黑人乐队的演出 | medicine show 走江湖卖药

punctual aspect：準時式;準時體;一次體

punched card 穿孔卡片 | punctual aspect 準時式;準時體;一次體 | punctuation 標點符號用法