spherical compensator for thermal expansion
...球型补偿器；隔热管托；复合保温层 [gap=505]Key words：medium pressure steam pipeline；creep monitoring；spherical compensator for thermal expansion；insulating pipe support；composite insulating layer7 z.
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spherical compensator for thermal expansion
球面热膨胀补偿器
以上为机器翻译结果，长、整句建议使用 人工翻译 。