空调系统应用基准风口法进行调整时,应选择各支干管上( )的风口作为基准风口。
Goods are carried by several of transport--on road or rail, by sea or air.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
下列工程中,属于市政公用工程二级建造师执业范围的是( )。
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