vibrating rod oiler

基本解释振动杆注油器

网络释义

1)vibrating rod oiler,振动杆注油器2)primer lever,起动注油器杆3)vibrating rod oiler,振动杆加油器4)Rod string absorber,抽油杆减振器5)rod string vibration,抽油杆住振动6)vibration of sucker-rod string,抽油杆柱振动

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