dual spring 双弹簧
dual spring tension adjustment 双层弹簧拉紧调节
dual-spring injector 双弹簧喷油器
dual-spring delivery valve 双弹簧出油阀
Dual-spring adjustable absorber idler 双弹簧可调缓冲托辊组
dual plate with spring 双板带弹簧 ; 双板的春天 ; 双底板与春
dual-rate spring 可变刚性弹簧
dual rate spring 双刚性系数弹簧
dual helical spring-mass system 双螺旋弹簧质量系统
Dual circuit air brake, front and rear drum brake, energy storage spring parking system.
双回路气制动，前后鼓制动，储能弹簧驻车制动。
A kind of dual spring and dual coil electromagnetic drive system can solve the above problems.
一种双弹簧、双线圈式电磁气门驱动系统可以有效地解决以上问题。
Brake system of the existing JN162 truck, consists of dual-line foot brake, spring actuated and air cut-off parking brake and engine exhaust brake.
原JN162型载货汽车的制动系，装有双回路行车制动装置、弹簧储能断气式驻车制动装置和发动机排气制动装置。
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