A.彈簧 B.彈簧管 C.彈簧管、彈性膜片和彈性波紋管
A.0.8% B.1.36% C.1.5% D.〉1.5%
A.單管壓力計(jì) B.浮子式壓力計(jì) C.U型管壓力計(jì) D.彈簧管壓力計(jì)