名词
中文翻译：硬铅管
同义词：
['hard copper pipe', 'hard steel pipe例句：1. The new water supply system uses hard-lead pipes to deliver clean water to every household.（新的供水系统使用硬铅管将清洁的水输送到每个家庭。）']
例句：
-
1. The new water supply system uses hard-lead pipes to deliver clean water to every household.
新的供水系统使用硬铅管将清洁的水输送到每个家庭。
-
2. The construction crew used hard-lead pipes to install the new heating system.
施工队使用硬铅管安装新的供暖系统。
-
3. The old pipes were replaced with hard-lead pipes to improve the efficiency of the heating system.
旧管道被更换为硬铅管以提高供暖系统的效率。