4.the circulated quenching bobbine needs to be checked irregularly and replaced regularly to ensure the tow quenching quality;
定期检查和定期更换环吹筒,以保证丝束冷却;
5.Seeds 2 per valve, brown-yellow, semiellipsoid, 2--3 mm, flat on 1 surface, irregularly pitted, truncate at 1 end.
种子2每裂片,棕色黄,半椭圆形,2-3毫米,平在1面,则具洼点,截形在1末端。
6.Bullae are rounded or irregularly shaped blisters containing serous or seropurulent fluid.They differ from vesicles only in size, being larger than 1 cm.