单词	poor coal
释义	poor coal 质煤
随便看	direct contact direct-contact direct contact brake direct contact condensation direct-contact condensation direct contact condenser direct-contact condenser direct contact desulfurization direct-contact desuperheater direct contact distillation process direct contact feed heater direct contact freezing direct contact heater direct-contact heat exchanger direct contact heat exchanger direct contact method direct contact moxibustion direct contact seal direct-contact (spray) desuperheater direct contact transmision direct contact type direct contact type condenser direct contact vibration pickup direct contact water cooler direct contamination 齆齇齈齉齊齊部齋齌齍齎 01620 01621 01622 01623 01624 01625 01626 01627 01628 01629