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【简答题】
第二类防雷的民用建筑物防直击雷时,屋面接闪网格尺寸不应大于 ____ 或____,防雷引下线不应少于____根,其间距不应大于____米。
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反馈参考答案：
举一反三
【单选题】The eight airlines of the One world alliance (联盟) have joined forces to give world travelers a simple way to plan and book a round-the-world journey. It's called the Oneworld Explorer program. Oneworl...
A.
a travel agency
B.
a union of airlines
C.
a series of tourists attractions
D.
the title of a flight program
【简答题】The eight airlines of the Oneworld alliance (联盟) have joined forces to give world travelers a way to plan and book a round-the-world journey. It's called the Oneworld Explorer program. Oneworld...
【简答题】Americans can travel almost anywhere they choose. But to protect (保护) its people, the government lists a few erous places where Americans cannot go. These places are unfriendly countries or countr...
【单选题】Travelers can choose a train, a bus, a ship, a plane, etc. as their means of transportation _____ their tastes.
A.
according to
B.
in according with
C.
in regard to
D.
judge from
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