侦毒管

侦毒管	zhēn dú guǎn	detector tube
侦	zhēn	to scout / to spy / to detect
侦	zhēn	old variant of 侦
毒	dú	poison / to poison / poisonous / malicious / cruel / fierce / narcotics
管	guǎn	variant of 管
管	Guǎn	surname Guan
管	guǎn	to take care (of) / to control / to manage / to be in charge of / to look after / to run / to care about / tube / pipe / woodwind / classifier for tube-shaped objects / particle similar to 把 in 管...叫 constructions / writing brush / (coll.) to / towards