用“rope slipping”造句大全，rope slipping造句
Nolossofcarpositionduringlongerpowerfailureorropeslipping.Iftheobjectisverticalandsmooth,andthereisdangeroftheropeslipping,takeanextrawraparoundtheobject....
用“slipping”造句大全，slipping造句
Softnon-skidrubberkeepsportablesfromslipping.Becausewecalculatedheretherequirementforjustnotslipping.Doesitnotruntheriskofslippingintoavarietyofethicalhumanism?It'sadeep,softpop,likeacorkslippingfree...