词汇	呆帐备抵帐户
释义	呆帐备抵帐户 allowance for uncollectibles
随便看	heat exchanger loop heat-exchanger loop heat exchanger method Heat exchanger module heat exchanger network heat-exchanger network heat exchangernetworks heat exchanger networks heat exchanger network synthesis heat exchanger of cold helium heat-exchanger of electric desalting heat exchanger outlet heat exchanger performance heat exchanger performance factor heat exchanger piles heat exchanger pipe heat-exchanger pipe assembly heat exchanger plate heat exchanger plates heat exchanger plates with fins heat exchanger principle heat-exchanger principle heat-ex-changer principle heatexchanger property heat exchanger pump