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对于火炮这样一些设备,则采用机械式刻度盘及光学分划装置加以测量。
For some equipment like artillery, it USES mechanical dials and optical division equipment to measure.
youdao
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对于火炮这样一些设备,则采用机械式刻度盘及光学分划装置加以测量。
For some equipment like artillery, it USES mechanical dials and optical division equipment to measure.
youdao