a haulage contractor的用法和样例：
- It would therefore be a good opportunity for an enterprising haulage contractor to take as many passengers there as possible for a fair fee.
- The specialized haulage contractor assigned by the host organization will help you with the transportation, including consignment, custom clearance and transferring the goods to your designated place (subject to a charge).
- The person is a building contractor.
- Still another system used in underground mining, which is called caving. This involves making the ore cave in on mined chambers or shafts. The ore is then removed by chutes that carry it down to a deeper level, where there is a haulage system.