chain drive lubricant

chain... ... chain drive n. 利用链条传送动力的装备 chain-drive lubricant 传动链润滑剂 chain-drive mechanism 链传动机构 ...

什么意思_英语chain... ... chain-drive mechanism 链传动机构 chain-drive lubricant 链传动润滑剂 Chain-drive 链传动 ...