1. Take my young nephew for example, he always help mother lug the heavy box every time they bought vegetables from the morning fair, which is closely related to parent's guidance and education.
2. The steel anchor box of the tie ho arch bridge has the characteristics of carrying lug loads and fitting into a small space. This adds to the difficulties in design and production.
系杆拱桥钢钻箱，具有“承受大吨位，适应小空间”的特点，给设计和制造增加了难度。
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3. The steel anchor box of the tie ho arch bridge has the characteristics of carrying lug loads and fitting into a small space. This adds to the difficulties in design and production.
