我们试制了测报用的分层木架黑光灯,经试用效果很好。 1.灯伞 为木板或油毡制成52×55厘米呈屋脊形的罩,中间加一6×3×39厘米的横梁,镇流器、启动器和开关安装在横梁上,两边的木柱为3×2.5×120厘米。 2.漏斗 方形,上口内径为39×39厘米,高24厘米,下口内径为4.5×4.5厘米,漏斗框用三角形木条钉成方形,固定在两边的木柱上。并于木柱两边各加“人”字形支柱,固定位置视挡虫板与灯管长度确定。漏斗用木制,也司用塑料布剪成长三角形制成,上端用 We trialled the report with a layered black light wooden frame, the trial effect is very good. 1. The parachute is made of wooden or linoleum 52 × 55 centimeters with a ridge-shaped cover with a 6 × 3 × 39 cm beam in the middle. The ballast, starter and switch are mounted on the cross beam. The wooden posts on both sides are 3 × 2.5 × 120 cm. 2. funnel square, the entrance diameter of 39 × 39 cm, 24 cm high, the next hole diameter of 4.5 × 4.5 cm, funnel frame with triangular strips of wood into a square, fixed on both sides of the wooden column. And on both sides of the wooden column plus “person” shaped pillar, the fixed position depending on the length of lampblack plate and tube to determine. Funnel with wood, but also the Secretary made of plastic sheeting cut into triangles, the top use