An instrument designed to maintain a continuous record of atmospheric pressure is a(n) ______.(1.0)
A.mercurial barometer B.aneroid barometer C.Barograph D.Thermograph正确答案A
An instrument designed to maintain a continuous record of atmospheric pressure is a(n) ______.(1.0)
A.mercurial barometer B.aneroid barometer C.Barograph D.Thermograph正确答案A