Local stresses at shell around attachments such as nozzle, vessel support and lifting lug and so on, shall be calculated and evaluated when requested by Purchaser.
如买方有要求，设备口、容器支架及吊耳等附件周围壳体的局部应力应加以计算及估测。
The side of the lock-up set is provided with a semicircle lug boss, which is allocated with the semicircle groove arranged on the shell.
锁止套周侧设置半圆凸台，半圆凸台与设置在壳体上的半圆凹槽相配置。
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