用Back-up造句子，“Back-up”造句

The Research of Welding Materials and Procedures of Partial Repair Supported by Cr3 Back-up Rollers;

Failure Form of Back-up Roll and Reasons Analysis in Liangang CSP Plant

Finite Element Analysis of Stress and Contact Pressure of Rubber O-sealing Ring with Back-up Ring

Investigation into Ageing Characteristics of Back-up Roll Flake off;

A Coordination Working Scheme of Back-up Protection and Automatic Safety Device

The Effect of Low-dose Thrombolysis Followed by Back-up Tracoronary Stent Implanting for Acute Myocardial Infarction;

Reliability and Lock of Automatic Back-up Power Supply Device

Study on the Development of Important Middle School for Soccer Back-up Talent Cultivation;

Study on Port Back-up Land and Open Storage Requirements

Back-up for Collaborate for Audit annual check-up.

Back-up protection units for relay protection failure in digital substation

Flared type tube fittings--Back-up washer