free spool drag brake 牵引制动阀中立
brake valve spool 制动阀阀芯
brake spool 制动器滑阀
brake control spool 制动器操纵滑阀
brake reducing spool 制动器减压滑阀
brake spool assembly 制动器滑阀总成
left brake selector spool 左侧制动器选择器柱塞
parking brake valve spool 停放制动器阀滑阀
brake control valve spool 制动器控制阀阀芯
The conventional magnet brake systems were composed of a brake panel with 3-5 small magnets sitting close to spool.
传统的磁力制动系统是由一个刹车平板和安装在靠近线杯处的3 - 5小磁铁组成。
It achieved the saturating brake at high speed by letting brake panel move away from spool at high brake situation.
它使得的调高的刹车通过让制动面板从线杯分离在高制动情况时保持高速。
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