【化】 防松螺钉; 止动螺钉

stop up

stop in

stop notice【金融】;stop payment notice【金融】;notice of dishonour【金融】

iris diaphragm【光】;iris stop【光】;

jam nut【机】;lock nut【机】;stop nut【机】

driving mechanism for push-button switches with click-stop device

spring stop-nut locking fastener【机】

five-unit start-stop apparatus