【物理】比例尺布置、指针、灯

de-burring arrangement, burr crusher, accessories

flower arrangement

circuit arrangement for light sources not otherwise provided for

deflecting plate, rebound nozzle arrangement

watering arrangement with perforated pipe-line located above the soil

random arrange【数】;random arrangement【数】;random permutation【数】

function chart【数】;functional arrangement【数】;graph of a function【计】

pipe fitting, connecting arrangement for pipes