词汇	sulphur fuel oil
释义	sulphur fuel oil 硫燃油
随便看	double-pole cutout double pole cut out double pole cut-out double-pole cut-out double-pole double-break method double-pole double-break protection double pole double throw double-pole double throw double-pole double-throw double-pole double-throwdpdt doublepole doublethrow switch double pole doublethrow switch double-pole doublethrow switch double-pole double-throwswitch double pole double throw switch double-pole double throw switch double-pole double-throw switch double-pole-double-throw switch double pole dynamo double-pole dynamo double-pole fastening steel pipe scaffold double pole field switch Double pole filter double pole fishing method double pole front connected