Physiological characteristics
Herbs perennial, all covered with hairs, 10-37cm high. Leaves opposite; petiole length 5-15mm; leaves grassy to firm papery, heart-like oval to elliptic, 1.5-3cm long, 1.2-3.2cm wide, apex obtuse or round, densely covered with fine hair on both sides. Flower wheel with 2 flowers, with integrated lateral terminal inflorescences; sepals ovoid, pubescent on both surfaces; pedicel base with 1 pair of bristly bractlets; calyx campanulate, 2 mm long, outside Being villous, 2-lipped, entire, calyx tube-backed 1 capsule-shaped shield scale; corolla blue-purple, 2-lipped, ca. 19 mm, externally glandular and pubescent, apex slightly dimpled, lower lip There are 3 lobes, middle lobes rounded ovoid; stamens 2 pairs, not protruding; style slender, ovary smooth, 4-lobed. Nutlets spurred, ovate, with tubercles. Flowering from April to May, fruiting from June to September.
Medicinal herbs
Dry the whole plant, the leaves have been exfoliated, the stems and branches with spikes, length 15 ~ 25 cm, four prisms, the surface yellow-green or purple brown, smooth, soft, broken section fibrous, hollow; residual The leaves are dark yellow-green, broken and incomplete, crumpling and curling, crisp and easy to fall off; flowers are blooming on branches, yellow-green. Smelly, slightly bitter taste.
Spacer and Bushing
The Spacers are designed to hold materials a predetermined distance away from the surface they are mounted to, or mount two items a set distance apart. Sizes and materials vary depending on intended use.
The Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant.
The
material of Spacer Bushing including carbon steel, Stainless Steel, Aluminum
and Brass. Dimensions are according to custom made. The zinc-plated finish
provides some corrosion resistance.
Spacer & Bushing,Spacer Bushing,Shaft Spacer, Bushing Spacer
Ningbo Yokelink Machinery Co.,Limited , https://www.yokelink.com