词汇	stretching pulley
释义	stretching pulley 拉伸皮带盘,张力轮
随便看	platinum group element platinum-group element platinum-group element deposit platinum group elements platinum-group elements platinum group elements deposit platinum group glass platinum-group glass platinum-group metal alloy platinum group metal catalysts platinum-group metal chalcogenides platinum-group metal halides platinum-group metal ores platinum group metals platinum-group metals platinum group metals coatings platinum group mineral platinum-group minerals platinum group of matals platinum grous platinum guaze platinum handshake platinum heater platinum heating foil platinum heat resistance