circular washer
化 圆垫圈… Read the rest
化 圆垫圈… Read the rest
医 奥耳舍夫斯基氏管(一种X线管)… Read the rest
*[‘ʃi:phuk]
n. … Read the rest
建 爆(炸)压(力)计… Read the rest
*[‘pɒliʃt]
a. … Read the rest
医 植物标本台纸… Read the rest
a. 拮据的, … Read the rest
建 联杆轴承套… Read the rest