顶杆

顶杆	dǐng gǎn	top bar / crown bar
顶	dǐng	apex / crown of the head / top / roof / most / to carry on the head / to push to the top / to go against / to replace / to substitute / to be subjected to (an aerial bombing, hailstorm etc) / (slang) to "bump" a forum thread to raise its profile / classifier for headwear, hats, veils etc
杆	gān	(bound form) pole; shaft
杆	gǎn	stick / pole / lever / classifier for long objects such as guns