scalariform perforation मीनिंग इन हिंदी

उदाहरण वाक्य

1. The wood is characterized by solid pith, pink heartwood, and vessels with scalariform perforations, as well as simple perforations.
2. They have a variety of shapes : the most common are the simple perforation ( a simple opening ) and the scalariform perforation ( several elongated openings in a ladder-like design ).