进出口

Are drayage trucks required to enter and exit through a designated entrance and exit?

货车是从指定的口入吗?

They are engaged in import and export.

他们做口贸易。

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，具备代口货物的报关报检资格。

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

这些精良备的特点是：多重口，高精度波，可拓展的操作范围，阶梯光栅，大光栅挂载能力。