lid clamp造句

例句与造句

1. During this time he also invented a lid clamp for wooden egg cases, which became " the first of a long line of products completely designed and fabricated in our factory . " This part-time operation continued until 1941 when Walter and his father, Fred, began manufacturing small products as a full-time occupation.
2. It's difficult to find lid clamp in a sentence. 用lid clamp造句挺难的