R 開頭單詞
roller compaction riveting press [經(jīng)濟(jì)學(xué)]滾輾式壓鉚機(jī)
roller compacted concrete rcc [水利工程]碾壓混凝土
roller compacted concrete 碾壓混凝土
roller coating printing ink [經(jīng)濟(jì)學(xué)]滾涂印刷油墨
roller coasters n. 過山車（roller coaster的復(fù)數(shù)形式）；云霄飛車
roller coaster 過山車；云霄飛車；情緒急轉(zhuǎn)突變
roller chain harmonic drive [機(jī)械工程]滾子鏈諧波傳動(dòng)
roller chain [機(jī)] 滾子鏈
roller cam follower [機(jī)械工程]凸輪的滾子從動(dòng)件滾子凸輪從動(dòng)件
roller blind 遮光窗簾；遮簾
roller blading 直排滑輪；滾軸溜冰；溜旱冰
roller bit 牙輪鉆頭；旋轉(zhuǎn)鉆頭
roller bearing end cap [交通運(yùn)輸工程]軸承端蓋
roller bearing clutch [機(jī)械工程]滾柱軸承離合器
roller bearing bit [能源科學(xué)技術(shù)]滾動(dòng)軸承鉆頭滾柱軸承鉆頭
roller bearing [機(jī)] 滾柱軸承
roller acupuncture needle [醫(yī)藥科學(xué)]輥刺針
roller n. [機(jī)] 滾筒；[機(jī)] 滾軸；輥?zhàn)?；滾轉(zhuǎn)機(jī) n. (Roller)人名；(英、德、俄、匈、羅、捷、瑞典)羅勒；(法)羅萊