Nematocyst warts on the small tentacles become stick from conical and the shape of gonads changes triangular pocket-like from grain-like to small vesica.
小触手刺丝囊疣从乳突状变为棒状；生殖腺形状从米粒状变为小囊状、三角囊袋状。
2
The influence of some raw materials such as polyester the uniformity vesica nt foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
3
Dry powder granule raw materials which have special requirements to drying. for example: HP vesica nt lees light calcium carbonate active white earth magnetic powder graphite medical slag and so on.