南京林业大学学报（自然科学版）
THE STUDY OF PNEUMATIC CONTROL CIRCUIT IN PNEUMATIC BALANCE CRANE
Wang Weimin Sun Kunrong
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1993, (04): 70 -72 .  DOI: 10.3969/j.jssn.1000-2006.1993.04.015

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