排气中最大量的排放物是在怠速和低速运行时产生的.The greatest amount of exhaust emissions are produced at idle and during low - speed operation.但在最大量的访问者中, 大约一半是自学者.But the largest number of visitors, about half, are self - learners.我们只能有限度地、最大量...
As preventive, spray plants with systemic insecticide or fumigate them regularly.作为预防措施, 要用内吸杀虫剂对植物定期喷洒,或熏蒸.Make sure the draining board, sink and plug hole are regularly disinfected.滴水板、水槽和塞孔一定要定期消毒。Try to get into the ...
我国中低压配电网多采用小电流接地系统.In our country, system is mainly the non - effective earthing system.我国中低压配电网一般都是中性点不接地或者经消弧线圈接地的辐射网.China's distribution systems are almost ungrounded or grounded via the arc - suppression coil.主...
She shivered involuntarily as he approached her.他离她越来越近,她不由自主地颤抖起来。His left eyelid twitched involuntarily…他的左眼皮不由自主地跳动。I felt my body involuntarily stiffen against her invasion of my personal space.随着她不断侵入我的个人空间,我感觉全身都不由...