A. extends B. combats C. cures D. delays
A. 配水主立管始终端支架或管卡距地面或楼面宜为1.5～1.8m B. 管道安装配水支管喷头数量单侧不应超过8个,喷头在吊顶上下布置时双侧各不应超过8个,严重危险级配水支管不应超过6个 C. 每个报警阀组控制的最不利点喷头处,应设末端试水装置 D. 中危险级场所配水管DN100控制喷头数量不应超过80只
A. process B. competence C. complaint D. phenomenon
A. transform B. perfect C. devise D. alter
A. argument B. control C. overlap D. communication
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