英语语法分析

By project case, the paper shows advantages of horizontal directional crossing pipelaying by its construction process and technical requirements.

通过工程实例，介绍水平定向穿越敷管施工工艺和技术要求，借以说明该技术的优点。

Calculation for pipelaying resistance in current construction conditions to choose correct pipelaying method is the key for project success in trenchless technology.

在非开挖工程中，计算出当前工艺条件下的铺管阻力、选择正确的铺管方法是整个工程成败的关键。

Through the analysis of Conventional Pipelaying Barge, this paper presents a new method and analyses its principle for laying large diameter and thin wall pipeline in shallow water.

通过对常规铺管船的分析，提出浅水大直径薄壁管道铺设方法及作业原理。