“drum-type boiler”的概念、定义、翻译、参考文献-科学参考

单词	drum-type boiler
释义	drum-type boiler [`drǝm ´tīp ´bȯil·ǝr] See <<bent-tube boiler>>
随便看	locked-in line locked oscillator locked-oscillator detector locked-rotor current locked-wire rope lock frame lock front lock gate lock-in lock-in amplifier locking locking fastener locking lugs lockjaw lock joint locknut lock-on lockout lockout circuit lock primer lock rail lockset lock up lock-up relay lock washer

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