medium breaking emulsified bitumen

例句：

1. 1. The construction of the highway required the use of medium-grained asphalt.
   修建高速公路需要使用中粒沥青。
2. 2. The engineer used emulsion bitumen to improve the road's durability.
   工程师使用乳化沥青来提高道路的耐用性。
3. 3. The asphalt was mixed with water and oil to create a stable emulsion.
   将沥青与水和油混合制成稳定的乳化液。