Electric heat - tape wrap closely together around valve body.

电热交叉缠绕水布紧密地环绕阀体.

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Electric heat tracing is economical, reliable and easy to construct, maintain and control.

电伴热既经济可靠,又方便施工 、 维护和控制.

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Electric heat tracing technology has been widely used in the recovery and transportation of viscous oil.

在稠油和高凝油开采与输送过程中,电伴热工艺已得到广泛应用.

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