联箱的主要作用是（）、（）工质，消除（）。
参考答案：汇集、分配、热偏差
当日平均气温低于5℃时，不得浇水养护混凝土。
As we are _____ Table Cloth, we should be pleased if you would send us your best quotations.
A．in the market forB．on the market forC．entering the market for D．at the market for
