什么是狭义制造与广义制造？

A. Keep the wire soft and manageable
B. Lubricate the inner wires and prevent wear
C. Prevent kinking
D. Prevent rotting

A. 饭前服用
B. 饭后服用
C. 饭中服用
D. 随时服用

A. 正确
B. 错误