【机】 钟型低压力计, 钟型低压气压计

low pressure bell-type recording flowmeter

bell-type annealing furnace

bell furnace【机】;bell-type furnace【机】;

bell-type gas-meter (plunger-type gas-meter)

bell-type furnace

bell-type furnace metal wire, metal strip

bell-type manometer【仪】