parral machines平行机
el correo de parral帕拉尔邮报
parral-wire resonator平行线谐振器英语;翻译
Hidalgo del Parral帕拉尔;伊达尔戈
Monasterio del Parral德尔帕拉尔修道院
correo de parral el帕拉尔邮报
series-parral hybrid hybrid mechanism并串混联机构
N（名词） a ring that holds the jaws of a boom to the mast but lets it slide up and down 桁桅连接用滑环 [nautical]