单词	sustaining mechanism
释义	sustaining mechanism 维持机制
随便看	quick acting valve quick-acting valve quick acting voltage regulater quick acting voltage regulator quick-acting voltage regulator quick-acting watertight self closing Quick Acting Water Tight Self Closing quick actiog recipe quick-actiog recipe quickaction quick action quick-action quick-action air brake quick action air reservoir quick-action angle stop valve quick-action ball valve quick-action binder quick-action bow quick action buttons quick action chamber quick action closing device quick action contact quick-action contact quick action cylinder cap quick-action cylinder cap