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drencher n.1.〔口語〕傾盆大雨。2.(給牲畜治病用的)灌藥器。...

drenchingly

Automatic drencher system 自動水幕系統

Wet pipe automatic drencher system 濕管自動水幕系統

Alternate automatic drencher system 干濕管交替自動水幕系統