将因根瘤菌侵入根内部而产生的感染丝包围起来的纤维素輎叫做侵入线。
红豆草根瘤胞间隙和侵入线中另有个别细菌含有PHB颗粒，而且数量很少，一个细菌通常仅有一个。
Only very few bacteria contain PHB granules in the intercellular spaces and the infection threads of Onobrychis viciaefolia nodules and usually is one in a bacterium.
感染的高频率与侵入设备的使用，特别是中央线，导尿管和通风设备密切相关。
High frequency of infection is associated with the use of invasive devices, in particular central lines, urinary catheters, and ventilators.
华北陆块南缘(河南段)出露的富碱侵入岩类集中分布于卢氏-确山一线。
The alkaline rich intrusive rocks outcropped in the south margin of North China landmass (Henan section) concentrically distributing Lushi-Queshan belt.
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