Simple solar dryers, constructed from a wooden frame covered with plastic, let the light in, keep insects out and use natural convection.
这种简单的太阳能干燥装置是用一种覆盖了塑料膜的木架制成的，能够让阳光进入但是挡住了昆虫，而且还利用了自然对流。
A compact metal locker holds a 2x2x2 meter cube with a lightweight plastic bubble skin, which is configured upon a drop-down aluminum frame.
简洁的金属柜装着由套在下拉式铝框上的轻型塑料泡沫皮形成的2x2x 2米的立方体。
A hoop house is basically a metal frame covered with plastic or other all-weather material.
一个温室大棚的基础是金属框架，用塑料或者其他全天候材料覆盖。
A study is provided here for the application of plastic design to the industry building frame with medium or light crane loading.
本研究为在中、轻级工作制的吊车厂房刚架结构中应用塑性设计，提供了研究成果。
Collapsible portable aluminum frame, solid front, solid rear wheel plastic wheel box, up on the rails, after the hand with self-locking brakes, seat belts.
可折叠便携式铝合金车架，实心前轮，塑料轮框实心后轮，上翻扶手，自锁式后把手连刹车，安全带。
Collapsible portable aluminum frame, solid front, solid rear wheel plastic wheel box, up on the rails, after the hand with self-locking brakes, seat belts.
可折叠便携式铝合金车架，实心前轮，塑料轮框实心后轮，上翻扶手，自锁式后把手连刹车，安全带。
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