单词	suction ventilation
释义	suction ventilation 吸入通风器
随便看	manual-excavation pile manual exchange manual exchangemanual relay system manual exchanger manual exchange telephonic communication manual executive manual exercise manual exercises Manual exploration of uterus manual exposure manual exposure mode manual expression manual expression of emotion manual expression of milk Manual expression of sebaceous gland manual extinguisher manual extinguishing manual extinguishing system manual extract manual extraction Manual extraction of data manual extraction of milk from lactating breast manual extraction of radar information manual exuviating experiment manual fabrication