进出口

They are engaged in import and export.

他们做进出贸易。

Through the HuangPu Customhouse verifies and authorizes, we have qualification to do the Import and Export for Inspection and clearance of goods .

经黄埔海关审核批准，具代理进出货物报关报检资格。

Well equipped, these instruments feature: multiple entrance and exit ports, high precision wavelength drives, extended range operation, Echelle, and oversize grating mounting capabilities.

这些精特点是：多重进出，高精度波长驱动，可操作范围，阶梯光栅，大光栅挂载能力。