结论：盐酸苯环壬酯片是预防晕动病的安全有效药物。

Conclusion: Phencynonate hydrochloride tablets is a safe and effective agent for prevention of motion sickness.

youdao

结论：盐酸苯环壬酯片是预防晕动病的安全有效药物。

Conclusion: Phencynonate hydrochloride tablets is a safe and effective agent for prevention of motion sickness.

youdao