链条葫芦 meaning in English

chain pulley

Abstract : duri ng concrete deep well constructi on ， because of thediffi culti es i n engi neeri ng geographi cal conditi ons ， the ordi nary bilateral hydrauli c sli di ng formwork technology can not be adopted . therefore ， an unilateral sli di ng formwork technology lifted by chai n block method can beappli ed to advantage and better solved the proble m
文摘:在混凝土深井施工中，由于受地理环境的限制，不能内外安装模板时，难以应用一般的液压滑模施工技术，而采用单面模板、链条葫芦提升滑模工艺，可较好地解决这一问题。