Moderate depth is recommended for water retention purposes. 中度水深度推薦。
Rocker was suspended in the rocker shaft support, and can also adjust the rotation arm positioning screw head into the water sprinklers to control the depth of speed. 搖臂是懸支在搖臂軸上的，還可以轉動調位螺釘調整搖臂頭部的入水深度來控制噴頭轉速。
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