ประโยคภาษาจีน : 中文句子 |
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wéi rào 围绕 shēng chǎn zhōng 生产中 chū xiàn 出现 de 的 wèn tí 问题 tí chū 提出 le 了 gǎi jìn 改进 hù 护 huán 环 yè yā 液压 zhàng 胀 xíng 形 hé 和 xiē 楔 kuài 块 kuò kǒng 扩孔 de 的 cuò shī 措施 |
According to the problems encountered during production, the retaining ring expansion and wedge reaming were modified, and it will have an important significance in improving production l… |