“吊钩保险”的概念、定义、翻译、参考文献-科学参考

单词	吊钩保险
释义	吊钩保险 Encyclopedia 工学塔式起重机释 hook insurance吊钩保险施工现场吊装设备的吊钩上防止起吊物意外脱钩的保险装置。
随便看	direction correction of Gauss projection direction cosine direction cosine algorithm direction curve direction density Direction des Archives de France Direction des constructions Aeronautiquue direction-determining board direction field direction finder direction finding receiver direction focusing directionless directionlet transform direction logarithm direction of arrival estimation Direction of Chinese Opera direction of drama direction of light direction of magnetization direction of main passenger flow direction of principal curvature direction of Quyi direction of recession direction of R^n

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