短语词组短语Inlet outlet hole 进出水孔Air -inlet hole 进气孔oil inlet hole 加油孔;机油入口孔Inlet and outlet hole 进出水孔air test inlet hole 空气试验进口孔inlet manifold bolt hole 进气歧管螺栓孔Inlet a singled outlet hole 进出水孔inlet oil of center hole 中心孔进油 返回 inlet hole