concentrator switchboard
电 集线交换台… Read the rest
电 集线交换台… Read the rest
*[‘læpbɒ:d]
n. … Read the rest
医 骨折板… Read the rest
*[bɒ:d]
n. … Read the rest
计 母板, … Read the rest
*[‘li:bɒ:d]
n. … Read the rest
化 皱纹纸板; … Read the rest
*[‘spriŋbɒ:d]
n. … Read the rest
机 纤维质煤… Read the rest
经 船上交货价… Read the rest