本文概述钢制对焊高压带直段弯头的开发。
This paper describes the development of high - pressure steel butt welding bends with straight ends.
异常高压带的封闭特性对油气的生成与运移有密切关系。
The sealing character of abnormally high pressure zone and origin and migration of oil and gas are closely related.
胶南隆起含榴辉岩高压变质带为大别超高压带的东延部分。
The eclogite bearing high pressure metamorphic belt in the Jiaonan uplift is the eastward extension of the Dabie ultra high pressure belt.
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