例句與造句

1. 58 . plate used to state the safe height of sign 33
   58 .說明標志33的安全高度字牌
2. New carbon - core aluminum wires can be stretched more tautly than conventional copper wires and so can carry perhaps three times as much current before sagging below safe heights
   新型的碳核心鋁質(zhì)線路能拉得比傳統(tǒng)銅質(zhì)線路更長，在安全垂掛高度內(nèi)可傳輸?shù)碾娏鞔蠹s為以往的三倍。
3. It's difficult to find safe height in a sentence. 用safe height造句挺難的