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