The cylinder block is a complicated casting made of gray iron(cast iron) or aluminum. 这句话的意思是机体是复杂的灰铸铁或铸镁件。
举一反三
- The cylinder block is a complicated casting made of gray iron(cast iron) or aluminum. 这句话的意思是机体是复杂的灰铸铁或铸镁件。 A: 正确 B: 错误
- Gray cast iron has () A: high compressive strength B: excellent machinability C: good casting characteristic D: all of these
- An advantage of aluminum pistons， when compared to cast iron pistons is （）.
- In ancient time，there was no iron casting，so the needles were made of ______. A: stone B: tree C: iron D: mental
- The metal utensils made from iron, copper and aluminum are forbidden to decoct drugs.