chemical hose是什么意思

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用法例句

Small-caliber pipe inwall's derusting is a urgent problem of morden factory.

针对小口径钢管内壁除锈难的问题,研究一种适用于小口径钢管内壁振动除锈的工艺方法。

The present situation of enterprises in domestic about small diameter welded steel pipe and the probe into automation;

我国小口径焊管企业现状与自动化改造思索

The paper studies on traditional and modern systems,offering refer- ence for small caliber air bursting fuzes designing.

小口径弹药是用于近程反导的首选弹药,主要采用预制破片弹或子母弹,通过引信控制弹丸在导弹来路前起爆,形成破片或钨柱弹幕,将大大提高防空高炮对导弹的毁伤效能。

It provides reasonable basis for the structural design of small caliber APDS.

本文在满足发射强度和炮口动能要求的情况下 ,针对消极质量、炮口能量利用率、飞行稳定性以及极限穿透速度等条件 ,给出了弹丸次口径比、长径比和弹芯质量的优化选择 ,为小口径旋转稳定脱壳穿甲弹结构设计提供了合理的依

Ceramic containers are widely used in chemical industry,food industry and everydaylife,But it is difficult for traditional technology to produce small-neck ceramic containers,This paper proposes a universal once-forming technology for small-neck ceramic containers,with which the core of the mould can be deformed by expension.

陶瓷容器在化工、食品工业及日常生活中广泛应用，传统技术难以生产小口颈陶瓷容器。