pitch

沥青英释nna black, sticky substance that is used on roofs, the bottoms of ships etc to stop water coming through

1 pitch in,投入；作出贡献

2 tar pitch,焦油沥青

3 coal tar pitch,沥青；煤焦油沥青；硬煤沥青

4 pitch on,选中；决定

5 pitch angle,节面角（锥齿轮的）；螺旋角

6 variable pitch,可变螺距；可变节距；变斜度

7 pitch diameter,节圆直径

8 pitch control,树脂障碍控制；行距控制；节距控制；音调控制

9 screw pitch,螺纹距，螺距

10 pitch point,节点；齿轮啮合节点

11 sales pitch,推销商品的言辞

12 petroleum pitch,石油沥青

13 football pitch,足球场

14 pitch period,齿节周期；音高周期

15 at fever pitch,处于狂热状态；处于非常激动(或兴奋)状态

16 pitch circle,齿节圆，节距圆

17 pitch curve,啮合曲线；分度曲线

18 fixed pitch,固定字宽

19 fever pitch,n. 狂热；极度兴奋

20 thread pitch,螺距

1 The timbers of similar houses were painted with pitch..类似房屋所用的栋木刷了沥青。