北美绳草，叶子有干燥的膜缘，颖带有长芒。
North American cordgrass having leaves with dry membranous margins and glumes with long awns.
长花马唐、匍匐翦股颖新品系色泽深，根系活力较高。
Digitaria longiflora and new strain Agrsostis stolonifera had dark green color and high root vigor.
结构新 颖独特，简单实用，设计巧妙合理，动作稳定可靠，使用寿命长，成本 低。
The utility model has the advantages of novel structure, simplicity, practicality, reasonable and artful design, stable and reliable operation, long service life and low cost.
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