The single-seam weld is durable and withstands the toughest RIH conditions.

单焊缝的耐用性强，且能够满足最恶劣的入井条件。

youdao

Objective to survey and probe into the occurrence rate of infection in hospital (RIH) in senile in-patient in community and it's susceptible factors.

目的调查并探讨老年住院患者的院内感染发生率及其易感因素。

youdao

Objective to survey and probe into the occurrence rate of infection in hospital (RIH) in senile in-patient in community and it's susceptible factors.

目的调查并探讨老年住院患者的院内感染发生率及其易感因素。

youdao