bolster spring meaning in English

承梁弹簧, 枕头弹, 箕椭圆弹簧
垫枕弹簧

Bolster spring seat
承梁弹簧座
The empty - load can meet the request of our country ' s main type brakes , and that it can adapt most types freight car ' s bogies if they have a uniform static yield of bolster spring and can be modified a few parameters to meet the other bogies needs which have no uniform static yield of bolster spring . so the device has a good future in the empty - load research
本空重车自动调整装置能与我国现有的各型制动机(直接作用和间接作用)相匹配，对于各类转向架只要静挠度相同均可采用同样的结构，对于静挠度变化较大的转向架该装置可进行相应的结构调整，以保证在相应行程内的调整要求。