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食用菌栽培后期因培养料失水而难以生长，笔者利用简单的材料制成补水器，使用方便高效。1 制作材料 自行车内胎气门座（俗称老桩）一个，长7～ 8ｃｍ铁钉一个；弹珠一颗。2 制作方法 取下喷雾器喷头，用气门座代替喷头，将座底与喷杆焊严密接好。用胎皮剪一个稍大于钉盖的
Edible mushroom cultivation due to water loss late and difficult to grow, the author made of water using simple materials, easy to use and efficient. 1 production materials bicycle valve seat (commonly known as old pile), a long 7 ~ 8cm iron nail; a marbles. 2 production methods Remove the sprayer nozzle, valve seat instead of the nozzle, the seat bottom and spray bar welding closely. Scratch the skin with a slightly larger than the nail cover