    ˮ۷ʩ
    顢(Ϳˢ㴦)̡λ׼ߡȾĵײ۽̾ġѹȥ污Ĥȴӷ۽ӷճϡѹӷܷϷߡͷ̶ܷ(ʩ)顢ա
    ʩҪ㣺
    (1) պþ۽ļȳ̶ȣȲ㣬ճ᲻Σݼȣʹմ̥ϻ۽࣬ؽͷˮҪ淶Ҫʹ;ĵͬʱȼȣ۽ڳʹɫΪȣ
    (2) ѹӦѹѹųĿʹ֮ճι̣ƽչ
    (3) ֤ӷȣΪǵΪӷ쿪뱣֤淶涨Ĵӷȣ
    (4) οڡߣ󣬴ӷ۽˵Сȣ۽ӦʱηӿڣܷϷߣȲӦС10mm
(5) Ĵӷ촦бĤĤʯмʱӦӿȣͿȥʹӷճɿ

