heavy sky阴天heavyadj.大(量)的；重的；沉重的；猛烈的heavy-duty diesel vehicle重型柴油车heavy type cab-tyre cable重型橡套电缆heavy duty armored conveyor重型铠装运输机heavy ion nuclear chemistry重离子核化学heavy metal ions wastewater重金属离子废水Heavy Observation Aircrafts重型观测飞机heavy-at-one-end desk一头沉桌heavy-haul transportation重载交通heavy weight rubber product重型橡胶制品heavy meral chelating agent重金属捕集剂

1. Please arrange for a floating crane to discharge the heavy pieces on board.
   请安排一台浮吊来卸船上的重件。