1·All the parts of the sculpture have to be welded together.
这件雕塑所有的部件都必须焊接在一起。
—— 《牛津词典》
2·The wheel would need to withstand immense and constantly changing stresses as it rotated, so to make the structure more robust, the steel sections were bolted rather than welded together.
轮子旋转时需要承受巨大的和不断变化的压力，所以要使结构更坚固，钢的部分要用螺栓连接，而不是焊接在一起。
3·Welded tuff is commonly rhyolitic in composition.
焊接凝灰岩在组成上通常为流纹岩。
4·Autogenous welds are commonly used to evaluate corrosion rates of welded materials and the usage of these materials in corrosive environments.
气焊一般用来评估焊接材料的腐蚀速率，评估这些材料在腐蚀环境中的使用。
5·To create it Chris carefully chose pieces from the scrapped buses and then welded them together along with seats taken from an old city line.
克里斯精心挑选出废弃巴士的一部分车身，然后将它们同废弃的城市巴士上取下的座椅一同焊接好。