replaceable bases造句

例句与造句

1. He developed and implemented soil analytical procedures for the assessment of available phosphorus, potassium and total replaceable bases.
2. There are four main styles of replaceable bases : flat bases, bridge bases, U bases, and wheel bases, all of which offer advantages in different circumstances.
3. It's difficult to find replaceable bases in a sentence. 用replaceable bases造句挺难的