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eco-lubricant
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eco-lubricant
Encyclopedia
工学
润滑
释
eco-lubricant
生态润滑剂
既能满足机械设备的使用要求,又能在较短时间内被活性微生物(细菌)降解为二氧化碳和水,本体及其耗损产物对生态环境不产生危害或在一定程度上为环境所容许的润滑剂。又称绿色润滑剂[注]。
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prealloying
preamble
preamble to the constitution
preamp
pre-amplification
preamplification
pre-amplifier
preamplifier
preanalysis
pre-anesthesia assessment clinic
pre-anesthesia evaluation
pre-anesthesia interview
pre-anesthesia(preoperatuve)fasting
preanodize
preantenna
preantennal ganglion
Pre-approval of the use of manning quotas
preassemble
preassembly
pre-assembly modularization design of concentrators
preassigned
preatomick
preattentive processing
preauricular fistula
preaxiomatic
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