“打成环状”可以翻译为“form into a ring” 或 “be made into a circular shape” 。
“form into a ring” 强调形成环状这一动作和结果。
“be made into a circular shape” 更侧重描述被制成、塑造成环状这种形态。
例如：
We can tie the rope to form into a ring.（我们可以把绳子打成环状 。）
The metal strip was bent and shaped to be made into a circular shape.（这条金属条被弯曲塑形，打成了环状 。 ）