The main reasons are的意思|示意

There are 81 batch samples which are disqualified. The main reasons are unstable flame height, gas leaking and the unstable gas pressure.

有81批样品质量不合格，主要原因是燃烧高度不稳、漏气及气压不稳定。

The result shows that the main reasons are high bottom hole temperature, corrosion of drilling tool during storage and drilling process, high value of formation drillability, and multi-fault.

结果表明，井底温度高、钻具存放及钻井过程中的腐蚀和地层可钻性级值高且断层多，是该地区钻具失效的主要原因。

The main reasons are too weak industrial base, raw material quality and varieties are not satisfactory, the management of non-standard and so on.

其原因主要是工业基础过于薄弱、原材料的质量和品种不尽如人意、管理工作不规范等等。

At present, the difficulty of execution is inevitable and the main reasons are the interference of "regional relations" and "human relations".

在现阶段，执行难有其必然性，其最主要的原因是“地缘关系”和“人缘关系”的干扰。

The main reasons are the staffing establishment restrains demand, incompatible structural contradictions and the absence of the exit mechanism and so on.

其主要原因是人事编制抑制需求、结构性矛盾难以调和以及退出机制的缺位等等。

The main reasons are as follows. In the aspect of design, the external water pressure is not properly considered.

检查其原因有：设计方面，如外水压力考虑欠妥；