成排的库房用带褶皱的铁皮或者陶瓦做顶，立在早已堵塞的下水道前。
Rows of squat warehouses roofed in corrugated steel or terra-cotta tile front sewage-choked waterways.
通过实例对各条件下顶张式立管时域动态响应特性作了比较。
Nonlinear dynamics response of deep-water production top tensioned riser under three different moving conditions is calculated using finite element analysis software.
本文通过试验，研究出一种适合于新立原油的改进剂，降低了冷输井的油压，延长了冷输井顶管线的周期。
A type of modifier suitable to Xinli oil was developed through experiment. It could reduce the oil pressure of the well and extend the period of low-temperature transportation.
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