词语treble block
解释三轮滑车
词性名词
treble block〔名词〕三轮滑车详细»
treble block三重滑轮组,三轮滑车详细»
三轮滑车treble block详细»
三轮滑车〔名词〕treble block详细»
三轮滑车three sheave block;treble block详细»
三轮滑车three-fold block详细»