In the roof structure of the roof for the rigid waterproof easy to crack and leakage of the situation, to take the following measures to reduce the cracks.
屋面的屋面构造中针对刚性屋顶防水易裂缝而发生渗漏的情况，采取了下列措施来削减裂缝。
2
The rain is leaking in through a crack in the roof.
雨正从屋顶上的缝隙漏进来。
3
He looked through the crack of the broken roof and saw six thieves busy dividing loot among them.