There are college English, advanced mathematics, PE, Physics, Chemistry and Mechanics.
有大学英语、高数、体育物理、化学和力学。
PE gas pipe laying is faster and efficiency, especially on trenchless technology. Application technology of PE gas pipeline engineering is advanced, efficient and in low fare.
聚乙烯燃气管道的施工速度快，效率高，特别是在非开挖施工技术上，聚乙烯管道的施工技术较钢管更先进，效率更高，费用更低。
Guangzhou Witton plastic hose co., Ltd. is specialized in producing PE cosmetic plastic hose business, business to introduce the industry's most advanced machinery equipment and production processes.
广州市威顿塑料软管有限公司是专业生产PE化妆品塑胶软管的企业，企业引进行业最先进的机器设备与生产工艺。
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