也可根据客户需要订制特殊规格的螺纹元件。
Components of screw thread with special specifications are also tailored available.
备注：根据客户需要，课程内容可作适当调整。
Remark: the course content may be adjusted partly according to customers' need.
根据客户需要，并能及时为客户维修各类板式换热器。
According to customer needs and timely maintenance for all types of customers plate heat exchanger.
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