英语语法分析

Valve body and bonnet are separated by diaphragms in order to prevent valve parts, such as bonnets and steam from corrasion;

阀体与盖被中间隔膜隔开，使得隔膜上方的阀盖，阀杆等零件不受介质侵蚀；

The palaeostructure high part of Carboniferous in Indosinian epoch is favourable to the development of burial corrasion pores.

石炭系印支期的古构造高部位是埋藏溶解孔发育的有利地区。

Although karst pore system was packed again after forming, it provides conditions for the development of burial corrasion pores.

岩溶空隙系统虽然在形成后又被充填，但为埋藏溶解孔隙的发育提供了条件。