This machine element has a curved or grooved surface which mates with a follower and imparts motion to it.

这台机器的因素有弯曲或槽表面队友的追随者和柔软剂的议案它。

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This machine element has a curved or grooved surface which mates with a follower and imparts motion to it.

这台机器的因素有弯曲或槽表面队友的追随者和柔软剂的议案它。

youdao