单词	harbor defence
释义	harbor defence 港防
随便看	heading and attitude resolution heading and attitude sensor heading and attitude system heading and attitude unit heading-and-bench heading-and-bench method heading-and-benchmining heading and bench mining heading-and-bench mining heading and bench tunneling method heading-and-cut Heading and flowering period heading and footing heading and gutting heading and stall method heading and stall system heading-and-stope mining heading-and-stope system heading angle heading angle guidance law Heading angle navigation law heading area heading-area coating heading assembly heading/attitude reference system