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Terms for subject Drilling containing 滑轮 组 | all forms | in specified order only
ChineseEnglish
吊升用动、定滑轮组block and fall
滑轮组上穿装大绳的道数string
定滑轮和动滑轮组block and tackle
提升系统滑轮组line string of hoist system
滑轮组multiple pulley
滑轮组rope block
滑轮组fleet