帮忙理解下? The number of bolting is indicated with orientation of nozzles. The bolting diameter shall apply to the installation of the vessel in the box . For outdoor installation number and diameter of bolting shall be determined according to loading, and the dimensions of the supporting skirt base ring shall match with the bolting. If necessary, stiffening plates shall be arranged between the bolting holes. For regenerators bolting holes are not necessary . 两句话不太明白,各位帮忙解释下查看更多19个回答 . 2人已关注