short period service的意思|示意

As to the joints between exterior wall panels, waterproof sealant is adopted, which has such advantages as short working period, high quality and long service life.

对外墙板板缝使用材料密封防水作法简便，并具有工期短、质量高、耐用年限长的优点。

Dear customers, we would like to inform you that, for a short period of time, we will be able to offer the customer service through chat and phone and email only in English.

亲爱的顾客朋友，我们荣幸的告诉您，本站的英文客服系统即将在不久之后上线使用，提供在线客服、电话和邮件三种人工客户支持。