单词	欠位指示
释义	同下溢指示--欠位指示
随便看	vacuum chamber vacuum--chamber vacuum chemical vapor deposition vacuum chuck vacuum circuit break vacuum circuit breaker vacuum circuit-breaker vacuum-clean vacuum cleaner vacuum cleaners vacuum cleaner--vacuum sweeper vacuum cleaner， vacuum sweeper vacuum cleaning vacuum closing vacuum-coated bomb vacuum-coated reflector vacuum coater vacuum coating vacuum coating plant vacuum coefficient vacuum coffee maker vacuum cold trap vacuum cold wall furnace vacuum column vacuum concentration