chock
特殊用法back-up chock1.■支承辊的轴承座bearing chock1.■(轧辊的)轴承座brush compare chock1.■电刷(穿孔)比较检查cast-iron chock1.■铸铁轴承座cast-steel chock1.■铸钢轴承座hydraulic chock1.■垛式液压支架non-slipping chock1.■防滑块open chock1.■开式导缆口quarter chock1.■船尾叉架roll chock1.■轧辊的轴承座rolling chock1.■减摇龙骨, 舭龙骨warping chock1.■导缆器wheel chock1.■止轮块