以下为句子列表：
英文: During the extra kick, maintain a tightly streamlined body line just below the surface – feeling much as you did when doing the Underwater Kicking exercise above.
中文: 第二次蹬腿时，使身体在水面下保持一种紧张的流线型——做以上水下蹬腿练习时，努力体会你的动作。
更详细...
英文: Loss of head is minimized by the balanced disc and its aerofoildesign. Streamlined body without pockets contributes to straight-through flow.
中文: 通过平衡阀瓣及其“翼型”结构，将水头损失(或位差损失)降到最小程度。流线型阀体，不再需要凹穴来帮助流体直线流通。
更详细...
|
