Shǐyòng jīngtǐ díbǎichóng shí yào yángé kòngzhì jìliàng.
Dosage must be strictly controlled when using crystalline trichlorfon.
Tips
usage
敌百虫 is trichlorfon (an organophosphate). The 晶体 prefix specifies the pure crystalline form as opposed to liquid formulations — commonly sold for aquaculture against fish lice and anchor worms.