To measure the length of a steel rod, you could use
2023-12-01aa
To measure the length of a steel rod, you could use
A.a flexible steel tape
B.a plumb bob
C.an inside micrometer
正确答案是A

To measure the length of a steel rod, you could use
A.a flexible steel tape
B.a plumb bob
C.an inside micrometer
正确答案是A