fixed
pitch
fixed pitch propeller固定螺距螺旋槳;定螺距螺旋槳;定距螺旋槳;固定螺距推進器
fixed pitch air screw固定螺距螺旋槳
the fixed pitch propeller固定螺距槳
fixed-pitch type固定間距字型
fixed-pitch spacing固定間距
fixed-pitch font等距字體;固定字寬字體
fixed pitch licence固定攤位執照
fixed pitch stop固定螺距止動銷