?浮沉流量计    rotameter

?旋转式输送机,带式输送机    rotary (or belt) conveyer

回转空气泵    rotary air pump

?旋转式空气泵    rotary air pump

?旋转式压缩机    rotary compressor

?旋转换流机    rotary converter

?旋转式换流机    rotary converter

?旋转式引擎    rotary engine

?旋转泵    rotary pump

?旋转式泵    rotary pump

?旋转式驱气阀    rotary scavenging valve

?转动驱气阀    rotary scavenging valve

?转筒阀    rotary sheeve valve

?转阀    rotary valve

?转鼓式热交换器    rotary-drum regenerator

?[船模]强制回旋试验    rotating arm test

?旋转磁场    rotating field

?转动质量    rotating mass

?转子    rotor

?转子筒(涡轮机)    rotor drum

?转子轴    rotor shaft (or spindle)

?转筒[风力]船    rotor ship

?转子轴    rotor spindle (or shaft)

?转子轮    rotor wheel

?转子绕组    rotor winding

?概略布置图    rough arrangement

?狂浪    rough sea

?汹涛阻力    rough water resistance

?粗面    roughened surface

?粗糙度    roughness

?粗糙裕度    roughness allowance

?粗糙[度]系数    roughness coefficient

?粗糙度值    roughness height (or magnitude)

?粗面阻力    roughness resistance

?栏杆    roughtree rail

?圆杆,圆条    round bar

?圆柱吊架    round bar davit

?圆型船    round bilge

?圆底船    round bottom

?圆头槽螺栓    round head grooved bolt

?圆形艉    round stern

?弧形舷缘    rounded gunwale