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to phrases
导向滑车
nautic., tech. lead block
tech. guide block; guide runner; guide sheave; haul block; heel block; leading block
导向滑车〔轮〕
expl. lead block
导向滑车导块
nautic., tech. guide block
导向滑车: 5 phrases in 3 subjects
Nautical3
Oil / petroleum1
Technology1