asphalt, bitumen, pitch
齿距
pitch of gear
暂无补充释义。
相关词条
double-pitch roof (pitched roof)
diametral pitch
pitch circle
fin pitch
pitch-wheel
pitch of speech sound
pitch
pitch of gear
暂无补充释义。
asphalt, bitumen, pitch
double-pitch roof (pitched roof)
diametral pitch
pitch circle
fin pitch
pitch-wheel
pitch of speech sound
pitch