确保管道对齐，不要在接地密封位置出现横向应力。

Make sure alignment of line does not put lateral stress on the ground-joint seal.

确保管道对齐,不要在接地密封位置出现横向应力.

Make sure alignment of line does not put lateral stress on the ground - joint seal.

受横向应力的角焊缝比受纵向应力的角焊缝承受能力强。

A transversely stressed fillet weld can sustain higher loads than one stressed longitudinally.