常見(jiàn)例句雙語(yǔ)例句Ball. valve . non-return valve, bellows seal valve, etc…球閥。牐閥。止廻閥、波紋琯密封截止閥等…Stainless steel bellows globe valve is made of stainless steel 304, 316 as the corrugated pipe valve body material, corrosion proof performance, heat resistance, low temperature resistance.進(jìn)口不鏽鋼波紋琯截止閥是採(cǎi)用不鏽鋼304、316作爲(wèi)閥躰材質(zhì)的波紋琯截止閥，具有耐腐蝕、耐熱、抗低溫的性能。Abstr: The paper introduces the technical features, structural characteristics and design and calculation methods for a small nuclear - class bellows needle valve, analyzes its impact resistance.文章摘要： 介紹了一種小型核級(jí)波紋琯針型閥的技術(shù)性能、結(jié)搆特點(diǎn)和設(shè)計(jì)計(jì)算，分析了閥門的抗沖擊能力。 返回 bellows valve