The outer portions of the float shoe are made of steel and generally match the casing size and threads, although not necessarily the casing grade.
浮鞋的外壁由钢制成，且一般与套管的尺寸和丝扣匹配，然而浮鞋的钢级不一定要与套管钢级一致。
Yesterday our grade had a basketball match in our school.
昨天我们年级在我们学校开展了一场篮球赛。
According to the customer parameter requirements and our company standard high-grade product, match the great dimmable electronic ballast to you!
根据客户的参数要求和我司常规高档产品，匹配出客户所需的调光电子镇流器。
According to the customer parameter requirements and our company standard high-grade product, match the great dimmable electronic ballast to you!
根据客户的参数要求和我司常规高档产品，匹配出客户所需的调光电子镇流器。
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