答案:D
土石坝施工的导流时段应以全年为标准,并以导流标准规定的一定频率的年最大流量作为导流设计流量。
The purpose of a devil’s claw is to().
A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat