The tunnel is lined with the method "single placement for the full cross using needle beam sliding form", which can save construction procedures while ensuring quality.
隧洞衬砌采用针梁滑模、全断面一次浇筑的方法施工，可以减少工序作业，保证施工质量。
Through needle biopsy of liver, the author has diagnosed 120 cases with viral hepatitis of all kinds, and carried out cross-check analysis with clinical diagnosis.
本文对120例各型病毒性肝炎进行了肝活组织检查，并与临床做了对照分析。
Through needle valve can change the tee cross-sectional of low-flow adapter, thus changing the sample flow, and thus able to meet the requirements of toxicology sampling norms.
通过在一定的范围内人为改变低流量适配器三通旁支管的断面面积来改变采样流量，从而满足对酯类、腈类等气体采样规范的要求。
Through needle valve can change the tee cross-sectional of low-flow adapter, thus changing the sample flow, and thus able to meet the requirements of toxicology sampling norms.
通过在一定的范围内人为改变低流量适配器三通旁支管的断面面积来改变采样流量，从而满足对酯类、腈类等气体采样规范的要求。
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