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R 开头的英语单词（共 156,943 个）
round-cut heading
[网络] 环形切头
round-dealing
na. 光明正大的做法\n[网络] 光明正大的交易
round-die
[机] 圆板牙
round-down
[计] 下舍入
round-eared
[网络] 圆耳
round-edged tyre
圆边轮圈
round-end and socket bearing
端-凹穴支承
round-ended
圆端形
round-ended cylinder
圆底圆筒
round-ended pier
圆端形桥墩
round-eyed
a. 圆睁着眼的
round-face bit
圆面刀头
round-file
[机] 圆锉；废纸篓
round-fruited
[网络] 圆润的
round-head bolt
【机械装置】圆头螺栓
round-head buttress dam
圆头支墩坝;大头坝
round-head machine screw with grommet nut
头机器螺丝带手拧螺母
round-head piston
圆头活塞
round-head rivet
[机] 圆头铆钉
round-head screw
[机] 圆头螺钉
round-head square-neck bolt
圆头方颈螺栓