Current location - Health Preservation Learning Network - Health preserving class - As the picture shows, have you noticed that the watering can has two handles? When sprinkling water with this watering can, use the cartoon watering can in the handle of _ _ _ _ _ _ _.
As the picture shows, have you noticed that the watering can has two handles? When sprinkling water with this watering can, use the cartoon watering can in the handle of _ _ _ _ _ _ _.
In order to pour water easily, the pot is tilted, and handle b should be used;

According to the principle of disseminator, cartoon watering can't be designed with the trunk facing down, otherwise water will flow out.

When sprinkling water, the sprinkler uses the principle of connector, because the liquid level should be kept straight when tilting, so the water will flow out from the spout;

Water can flow downward because it is subjected to vertical downward gravity.

So, the answer is: b; No; Gravity direction is vertical downward (principle of communication device, etc.). ).

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