non-uniform pitch propeller 非均等节距螺桨 ; 非等螺距螺旋桨 ; 非等螺距螺旋浆
uniform pitch screw 等距螺纹螺杆
Uniform Pitch Control 统一距控制
uniform pitch propeller 非等螺距螺旋浆
The large diameter mesophase pitch carbon monofiber in uniform size was obtained by controlling the matching of extrusion flow and drawing rate.
熔纺时控制了挤出流量和牵伸速率的良好匹配，获得了丝径均匀的大直径中间相沥青炭单丝。
Spinnable mesophase pitch was prepared from catalytic cracking residue of petroleum and uniform mesophase pitch carbon fibre (MPPCF) was obtained.
以石油系催化裂化渣油为原料，调制出可纺性的中间相沥青，并纺出均匀的中间相沥青纤维。
Besides, the characteristics with varying pitch and separation on hole centre of chain plate and the mechanism for uniform motion of drive is probed.
同时，对变节距特性、板孔中心分离特性以及匀速机理问题进行了探讨。
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