单词：heat seal
heat seal的用法和样例：
例句
- The machine is a new type of heat sealing machine,multifunctional automatic packing machine.本机是一种新型热封式，多功能全自动袋泡茶饮品包装设备。
- It takes speed to weld steel at this heat.在这样的高温下熔接钢铁需要快速。
- Derating requirements of heat fusion fittings and quality evaluation were explicated.对热熔焊制管件的压力折减和品质判定进行了阐述和说明。
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