number of telephones per household啥意思?

number of telephones per household啥意思? the number of,a small number of,a number of. a number of the number of the number of、a number of、large number的区别 翻译number of shipmentRT a growing number of a.number.of?用法 the number of造句 total number of pallet a small number of number of people是什么意思 a number of 造句 the number of造句 the reciprocal of number a number of同义词 the number of中文 the number of 是什么意思? Number of shares outstanding