T型高差固定结构
T-shaped exit fixed mechanism
coflex脊柱动态稳定固定系统
Coflex dynamic stability system
固定高胀力泡沫灭火系统
fixed high expansion forth fire-extinguishing system
fixed high-expansion foam fire-extinguishing system
高差差分改正
Revise Theory of Height-differential
[固]定[螺]距螺桨
fixed pitch propeller {= FPP
[固]定联闪光
fixed and group flashing light
[脱粒筒]固定齿
fixed sprinkling equipment