例句與造句

1. A maintenance work, recovery operations and freight loading in goods yards and scrap handling facilities.
2. In the 1950s, after developing a number of technological innovations, including its patented " hinged steel belt ", the company began to focus more closely on the metal working industry, developing products and systems for machining, stamping and scrap handling operations.
3. It's difficult to find scrap handling in a sentence. 用scrap handling造句挺難的