按主体词字母查询
|
|
|
|
|
R
|
|
°R Rankine degree 兰金度[数]
|
|
|
°R Reaumer degree 列氏度[数]
|
|
|
Ra radium 镭
|
|
|
rab 拌砂浆用棒
|
|
|
rabbet 凸凹榫接,企口缝,槽口,半槽企口
|
|
|
race v.竞赛 n.急流;沟道,水道;座圈,环
|
|
|
ball race 滚珠座圈
|
|
|
beach race 滨海水道
|
|
|
contour race 等高水道
|
|
|
head race [电站]引水渠;前渠
|
|
|
tidal race 急潮流
|
|
|
wheel race 水轮尾水道
|
|
|
raceway 输水道,水管;电缆管道
|
|
|
rachet=ratchet
|
|
|
rachion 湖岸线,防波线
|
|
|
|
|