“What is sitting out there in the ocean is a very small amount of the total DDT produced and used as an insecticide,” said Caltech environmental engineering science professor John List, hired by Montrose to head its technical team. “It seems to me that it is a ludicrous position [to ...
地脚螺栓(锚栓)的允许偏差见下表: Uses the double-decked localization board to the circular foundation bolt adjusting clamp, two ring-like board spacings are not smaller than 100mm, is not bigger than the bolt to appear externally the length.Between two localization boards uses the steel pipe we...
foundation, fundamental, PROFOUND frangere, FRANG to break frangible, fragment frangere, FRAG to break fragment, fragile fractrum, FRACT to break fraction, fracture frater, FRATR brother fraternal, fraternize fraus, FRAUD deceit, trickery fraud, FRAUDULENT frivolus fragile, silly FRIVOLOUS...