self-draining 中文意思是什麼
self-draining
解釋
自動泄水-
If the hose is left on the figure 85 and 90m in freezing weather, the valve ' s self - draining feature will protect the sillcock from freeze damage if : 1 ) the nozzle is not left affixed to the hose ; and 2 ) the entire hose length is on a plane lower than the fixed position of the frostproof sillcock
如果型號85和90m的軟管位於冰凍氣候中，閥門的自排泄功能將會保護灑水龍頭不會凍壞，如果： 1 ）灑水龍頭出口沒有連接軟管；或2 ）整個軟管長度都位於防凍灑水龍頭的連接點下方。
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