单词	后管头
释义	同后管头--后管集箱
随便看	return to scale return to the charge return to the country return to the earth return to the fold return to zero return-to-zero return to zero code return-to-zero code return to zero code{=rz} return-to-zero logic return-to-zero method return-to-zero position return-to-zero recording return to zero(rz) return-to-zero (rz) return-to-zero {=rz} code return-to-zero (rz)line return-to-zero (rz) transmission return-to-zero space return-to-zero timing return-to-zero transmission return-to-zero，rz return trace return-trace