中文谷rod joint造句怎么写
- 造句
- 关注：1.42W次
Yantai Yunsheng Petroleun Machine Accessories Co., Ltd. funded in 1997, presently is one of biggest enterprises producing double protection sucker rod joint inside China.
Check the left tie rod joint.
Check the right tie rod joint.
This is of great significance in the selection of FRP sucker rod joint structure.
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