stoker造句
31. Torrington had been chief Stoker aboard the Erebus which along with the Terror sailed with Sir John Franklin during his expedition to chart the Northwest Passage.
32. The advanced technology is utilized to improved the combustion system of spreader stoker boilers and the boiler efficiency, to reduce the emission and to protect environment.
33. Through introducing advanced technology and combining Chinese idiographic practical circumstances, consummate chain grate stoker designation.
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