例句與造句

1. The sand rammer machine can be used to measure compactability of prepared sand by filling the specimen tube with prepared sand so that it is level with the top of the tube.
2. A "'sand rammer "'is a piece of equipment used in foundry sand testing to make test specimen of molding sand by compacting bulk material by free fixed height drop of fixed weight for 3 times.
3. It's difficult to find sand rammer in a sentence. 用sand rammer造句挺難的