Martensitic stainless steel containing Cr of 12% to 18% (mass percent) are common utilized in quenching and tempering processes for knife and cutlery steel. The
such as与for example均可用于表示举例,有时可互换。如: Some sports, such as (=for example) motor racing, can be dangerous. 有些体育运动,比如赛车,有时是很危险的。 My wife likes social activities, such as (=for example) tennis and golf.