sliding bearing WESTBANK 滑动支承

soil bearing test WESTBANK 土壤承力试验

westbank roller bearing 滚子轴承

westbank thrust bearing 止推轴承

westbank journal bearing 颈轴承

true bearing WESTBANK 真方向角

silt bearing WESTBANK 含淤泥量

solid bearing WESTBANK 卧梁承座

pivoting bearing WESTBANK 尖轴绞链

spherical bearing WESTBANK 球面支承