2. The product has also been used extensively for
coffer damming in civil engineering work.

他们的产品在全球也被广泛用于围堰、截流等土木工程工作中。
3. The despatch box, an immense oblong
coffer, was placed behind the vehicle and formed a part of it.

邮件箱是一只长方形的大匣子,装在车子的后部,和车身连成一体。