artificial respiration...[继续阅读]

    echo sounder; sonic-depthfinder,depth sounder; echo-soundinginstrument...[继续阅读]

    continuous pumpage...[继续阅读]

    transmission;travel...[继续阅读]

    下挠作用,下翘,下挠...[继续阅读]

    possible carcinogenicity...[继续阅读]

    salinize land...[继续阅读]

    health service...[继续阅读]

    thermal drift...[继续阅读]

    tetrachlorvinphos...[继续阅读]