enclosed impeller 双语例句
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1·The unique JET SKI watercraft feature of the fully enclosed impeller pump dramatically improved water safety over conventional outboard motors.
独特的喷气滑雪船舶功能的全封闭式叶轮泵，大大改进了传统的舷外马达的饮水安全。
2·Impeller for the three single-string bending garden leaves, use a semi-enclosed impeller, and the use of malleable iron, so high strength, corrosion resistance;
叶轮为三片单园弦弯叶，选用半封闭叶轮，并采用可锻铸铁、所以强度高，耐腐蚀；
