单词	head of arrow
释义	head of arrow 箭头
随便看	eddy current testing/ECF eddy current testing equipment eddy current testing instrument eddy current testing method Eddy current testing system Eddy current testiog eddy-current thickness gauge eddy current thickness meter eddy-current thickness meter eddy current torquer eddy current track brake eddy current transducer eddy-current transducer eddy.current transducer eddy current transmitter eddy-current tube test eddy current type eddy-current-type dynamometer eddy-current type geophone eddy current type retarder eddy current type transducer eddy-current type transducer eddy current waste eddy curreny thickness meter eddy curront flow