speed of welding

例句：

1. 1. The new welding machine is much faster than the old one.
   新焊接机器比旧的快得多。
2. 2.The engineer used a special welding technique to speed up the construction process.
   工程师使用了一种特殊的焊接技术来加快施工过程。
3. 3.The team worked quickly and efficiently to achieve the project's speed of welding.
   团队迅速而高效地工作，以实现项目的焊接速度目标。