单词	roughly the same
释义	roughly the same 大略相同
随便看	spring action spring-action spring action bolt spring action bolt, moving pivotally spring action, door fastener sash fastener spring-activated firing pin spring actively springactuated spring actuated spring-actuated spring actuated device spring actuated knockout pawl spring-actuated knockout pawl spring actuated mechanism spring-actuated mechanism spring-actuated piston spring-actuated stepping relay Spring actuator spring actuators spring additional buffer spring adjuster spring adjusting collar spring adjusting screw spring adjusting tool spring adjustment