Associated civil , structural , electrical and mechanical , marine , geotechnical , water works , fire services , environmental mitigation measures , street lighting , traffic aids and directional signs ; and provision of lane change - over facilities to accommodate the different traffic configurations in hong kong and the mainland 進(jìn)行相關(guān)的土木結(jié)構(gòu)機(jī)電海事土力和水務(wù)工程安裝消防設(shè)備實(shí)施紓減環(huán)境影響措施裝設(shè)街道照明設(shè)施輔助交通設(shè)備和路線指示標(biāo)志以及