单词	单筋
释义	单筋 Dān Jīnsingle reinforcement
随便看	double penetrating double penetration double-penetration technique double penis Double penis double penis sign double pentagonal prism double-pentaprism double pentode Double percolation double perfect double-perforated film double perforation double perforation cine film double-perforatod pipe double period double periodic double-periodic double periodic function double periodicity double periodic solutions double periodic structure double period section steel double-peripheral model double permeability reservoirs