Also the starboard bilge sounding pipe of No. 1 cargo hold was corroded at the thread section and the closing cap was missing.
1号货舱的右污水井测深管的螺纹部分也被腐蚀而且管口盖遗失。
The size of epidermis cells was different between nearside and starboard cells observed from the longitudinal section of twisted stems by histological sections.
取突变体弯曲的叶鞘做石蜡切片发现,突变体弯曲的叶鞘周围表皮细胞完整,但两侧细胞的大小不同。
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