datum level〔名词〕基准面,基准面,零点,高程基准详细»
datum level〔名词〕基准面详细»
datum level〔名词〕基准面,零点详细»
datum level〔名词〕基线水准,基准面详细»
datum level〔名词〕基准,基准面,基准水位详细»
datum level〔名词〕水准详细»
datum level基准面，零电平详细»
基础basement;footing;foundation;understructure详细»
基础basis;bottom;footing;foundation;ground;groundwork详细»
基础basis;corner stone;foundation;basic;essential;grassroot;grassroots;key详细»
基础basis;grass roots;grounding;staddle;substrata;substratum;substruction;substructure详细»
基础basement;bedding;foundation;fundament;stamina;subbasement;underlay;underpinning;underplate;understructure详细»
基础ground;principia;principium详细»
基础bases;basis;grounding;groundwork;staddle;substrata;substratum;substruction;substructure详细»
基础background;basement;bases;basis;footing;foundation;fundament;grammar;groundwork;rudiment;staddle;substruction;substructure;underpinning;underplate;understructure详细»
基础background;basement;basis;foundation;grounding;stamina;subbasement;substructure详细»